Health Issues from Mold Exposure · In the news · MCS · Symptoms

Recognizing Neurotoxicity – A Fantastic Medical Review

This is great write up by Dr. Raymond Singer and Dana Darby Johnson. A must read for anyone suffering with chemical sensitivities, mold illness and neurotoxicity.

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The symptoms of brain injury from exposure to hazards like lead paint and toxic chemicals vary widely. But there are ways you and your experts can pinpoint the damage and its cause.

Neurotoxicity—poisoning of the brain and nervous system—is a well-documented effect of exposure to many widely used chemicals, yet doctors (and lawyers) often fail to recognize it. Chemically injured clients often report a confusing array of symptoms, with no medical diagnosis. The symptoms may seem vague and unconnected, leading you to wonder, “Could these symptoms really be caused by a chemical exposure?”
Once you recognize the signs and understand them in context—as a constellation of symptoms resulting from a toxic injury—you will have greater confidence in bringing your client’s case to justice.

A person who has suffered a serious chemical injury is likely to have sustained considerable damage to his or her brain and nervous system. This is important for a lawyer to know, because doctors often recognize only the person’s physical illness, not realizing that serious brain and nervous system damage may have also occurred.

Neurotoxicity can be documented, but perhaps not in the way you might think. A person’s ability to think, perceive, control emotions, plan, and manage his or her life can diminish drastically without anything being visible to a radiologist or neurologist on an MRI or a CT scan.1
The most reliable and widely accepted way to assess actual brain function is through neuropsychological evaluation. (This is true for head-injury patients and those suffering from dementia, as well as those affected by exposure to toxic chemicals.)

Researchers have noted that imaging techniques are often of little value in evaluating neurotoxicity.2 In our and others’ experience, imaging techniques can occasionally pick up abnormalities caused by neurotoxicity and may be helpful for forensic purposes, but they are not cost-beneficial for routine screening.3

Neuropsychological testing tends to be more sensitive to brain injury than CT and routine MRI scans, which provide only a static and relatively gross view of neural structure. In one study of six head-injury cases, CT and/or MRI scans yielded little or no evidence of neuropathology as detected by neuropsychological testing. Positron emission tomography (PET) scans, however, corroborated the impaired function.4 PET and SPECT (single photon emission computed tomography) scans offer a more dynamic look at brain structure, but both of these tests still need interpretation as to the cause of the abnormality (which could be benign).

Common symptoms
What do chronic pain, anxiety, neurological problems, confusion, psychiatric symptoms, and cognitive declines have in common? They can all result from neurotoxic chemical exposure.
Symptoms of neurotoxicity include memory and concentration problems; confusion; multiple sclerosis or MS-type symptoms; impaired control of the limbs, bladder, or bowels; headaches or migraines; sleep disorders, including sleep apnea; eye problems that are neurological in origin; balance and hearing problems; muscle weakness; anxiety or panic attacks; depression; and other psychiatric or neurological symptoms.5

Other symptoms that could be caused by chemical injury include multi-organ system malfunction; lower or upper respiratory problems, such as chronic sinus problems; multiple chemical sensitivity (MCS); liver or kidney problems; and fibromyalgia or other pain disorders.

Along with nervous system dysfunction, the temporal association of any of these conditions with toxic chemical exposure tends to support the theory that the overall cause of the client’s injuries is a toxic insult to the body.
The illness you probably need to know the most about is MCS, both because it is common among chemical injury patients, and because doctors often don’t recognize it in their patients. The MCS diagnosis is still rejected by many doctors in part because it is difficult to quantify objectively—but then, so are headaches.

Many doctors are not aware of the significant research that shows MCS is common and quite real.6 MCS is similar to other disabling illnesses. People who have it can become very ill from exposures to everyday chemicals, such as perfumes, paint, pesticides, and cleaning products.
Under some conditions, MCS is recognized as a potentially disabling condition by the Social Security Administration, the U.S. Department of Housing and Urban Development, and the Americans with Disabilities Act.7

Documenting a chemical injury

There are various ways you can document the presence and course of a neurotoxic injury. All of them will help you build your case.
Conduct a neuropsychological evaluation. This procedure reveals both the most detailed view and the most subtle problems of the working brain.
A forensic neuropsychological evaluation usually includes a full battery of tests that can take up to 12 hours to complete. It can assess brain function, including memory; concentration; the ability to learn new information; executive function (the ability to plan, manage, and carry out a plan); perceptual functions, such as spatial awareness; motor functions, such as dexterity; and personality, emotion, and motivation. This evaluation can often detect whether changes have occurred that may be a result of toxic injury.

Be aware that some neuropsychologists consider someone impaired only if his or her cognitive functioning is well below average. Such an approach is inadequate when the person was once high-functioning.
For example, a client with a superior IQ—such as a doctor or scientist—who now is unable to do his or her job will not benefit from an evaluation that interprets an “average” level of intelligence as “normal.” Or your client may be someone who previously functioned at an average level but now is considered below average or has more marked problems in particular areas of brain function, such as emotion, personality, or executive function. These individuals benefit from more complex and subtle evaluations.

Several red flags can signal that the brain is not working as well as it should. For example, if a client’s vocabulary skills are high but his or her ability to process new information is at the 50th percentile, this discrepancy suggests a decline in information-processing skills. If the client was previously a successful engineer, a neuropsychological evaluation will give you findings that point to a decline in brain function.

Assess personality and emotional function. Chemically injured people can suffer personality changes induced by brain damage. The neuropsychologist needs to take a thorough history and conduct a record review to determine whether any personality disorders were preexisting or caused (or exacerbated) by the chemical injury.
The Minnesota Multiphasic Personality Inventory-2 (MMPI-2) is often used to assess personality.8 But this instrument was not standardized on brain-injured people or those with neurological disorders, so the results must be interpreted carefully.
For example, if a “normal” person showed many neurological symptoms, he or she might correctly be characterized as mentally ill. But it would be normal for a chemically injured person to report an array of neurological symptoms.

The patient with “too many” symptoms can get a diagnosis of “somatic disorder”—that is, having physical symptoms caused by psychological conditions. This misdiagnosis says that psychological problems are the underlying cause of the illness.
Neurotoxicity patients may well have psychological problems, but these are often the result, not the cause, of their condition. The true cause—organic (physical) brain dysfunction, or neurotoxicity—is too easily overlooked. When interpreting the MMPI-2, the expert must consider the person’s medical and neurological conditions before reaching conclusions.

Also, some common interpretations of the MMPI-2 might over-diagnose malingering.9 An improper diagnosis of malingering can make it difficult to prove an injury.
It is not unusual for patients suffering from neurotoxicity to be misdiagnosed as having psychological problems because of their depression and anxiety levels, the sheer number of their symptoms, and their belief that chemicals made them ill. To minimize this error, choose among the most qualified experts you can find: Psychologists, neuropsychologists, or psychiatrists who are familiar with chemical injury, neurotoxicity, and MCS.

“Image” the brain. It would be ideal to have an X-ray that would show what’s gone wrong in the chemically injured brain. Unfortunately, brain scans are usually not helpful, because we don’t have the technology to “take a picture” of most brain injuries. (Even damage caused by traumatic brain injuries, such as from an automobile accident, may not show up in brain imaging.) A weak correlation exists between neuroimaging findings and neurocognitive outcome.10 Neurotoxic damage does not necessarily affect brain structure at the level we can see on a brain scan.
PET and SPECT scans are often more sensitive to brain injury than either MRIs or CT scans, 11 but even if they show an abnormality, they don’t show what caused it. Such scans have limited utility in court as proof of damage.12 The meaning of the abnormality still needs to be explained via neuropsychological assessment. A brain MRI often can be useful to rule out the possibility of another brain disorder.

Test the body. Searching for physical evidence of a chemical injury has been compared to searching for a bullet shot through someone’s body: The bullet may be gone, but the havoc it wreaked is still there. Blood and urine can be tested for residue of the chemical in question and its breakdown products, or for a range of chemicals, but usually this testing is effective only while the client is still being exposed or after recent exposure.

The body may store toxicants in the fat and tissues, longer-lasting storage sites than the blood or urine. Tissue samples can be taken and occasionally are helpful, but these procedures can be difficult, painful, and expensive. Hair analysis may be helpful, but it is often controversial.13 Immunological testing can determine whether the client has elevated antibodies to some molds, suggesting high levels of exposure to toxic mold.14

Test and analyze the exposure location. When analyzing an exposure location for toxic substances (such as might be found in the air or on surfaces), it is better to hire your own consultants to perform the work. They can control many important variables that could be ignored by other service providers.

Earlier tests conducted by the defendant may be available, but the results might not be valid for various reasons, even if the tests were conducted by a government agency. A potential defendant, after discovering that its site would be tested, may have aired out the building and washed down all the surfaces before testing. Unfortunately, the tests that government agencies perform are often woefully inadequate.
Analyze the site carefully. Is there adequate ventilation? Is there a clean-air exchange? Is the ventilation system blowing contaminated air into the client’s breathing space?

Some toxic chemicals may be heavier than air, so ventilation in those circumstances should exhaust air out of the room from the level of the floor, not the ceiling. One of our clients suffered severe brain damage after using solvents outdoors on his boat. Most people think that applying solvents outside is safe. However, our client applied them while lying on his back, under the boat. Because the solvent was heavier than air, this amounted to lying in a dense cloud of neurotoxic gas, and friends had to pull him out from under his boat. The toxic exposure caused injuries that rendered him completely disabled15.

Under Daubert v. Merrell Dow Pharmaceuticals, Inc., 16  the expert should present published research showing that the chemical implicated in the case has caused the same damage that your client suffered. But there is room for some flexibility.
For example, in a 2001 federal toxic-tort case, the court admitted testimony that experts do not always need extensive, specific research on a particular product to arrive at an opinion.17 Instead, the chemical’s toxicity can be deduced from general toxicology and basic logic: The substance was an organic solvent; organic solvents are neurotoxic; therefore, this solvent is neurotoxic.

In our experience, neuropsychological testimony is routinely admitted under Daubert rules.18 Its application to neurotoxicology is well established but may be challenged. We are not aware of cases where this testimony has been excluded on Daubert grounds, but individual states’ requirements will vary.

In one case, the Ohio Supreme Court unanimously ruled that a witness who is not a physician, but who qualifies as an expert under state evidence rules, may give evidence that would be relevant to diagnosis of a medical condition if the testimony is within the expertise of the witness.19  Usually, the statute of limitations does not start running until the client has received a diagnosis stating that his or her condition was caused by a chemical exposure. In many cases, it takes years for this diagnosis to be made

In other situations, the client is so seriously injured that he or she cannot seek out appropriate medical or legal help. The very symptoms of neurotoxicity—memory problems, inability to concentrate or think clearly, and difficulty processing information—impede the injured person’s ability to understand what happened to him or her and can decrease his or her intellectual and emotional capacity to pursue litigation. In such cases, you may need to file a statement of mental incompetence to extend the statute of limitations.

What to expect from the defense

Invariably, the defense will seek to minimize the link between your client’s symptoms and the toxic substance he or she was exposed to and will try to play down the product’s harmfulness. Expect arguments like these:
“This product cannot damage your health.” The Material Safety Data Sheet (MSDS), required by law of every manufacturer, is a good place to start when seeking documentation of a chemical’s adverse health effects, because often the MSDS lists them.20 But sometimes the MSDS doesn’t even hint at a product’s real dangers, and you will need to conduct further research. The neurotoxicity of common products is discussed in various texts.21

“If this product caused ill health effects, it would not be marketable.” In fact, hundreds of neurotoxic products are promoted and sold. More than 850 industrial and commercial chemicals are known to cause neurobehavioral disorders.22

“Ninety-five percent of the ingredients are inert, so what’s the problem?” There are two issues here. One is whether 5 percent of an active ingredient is toxic enough to cause health effects—and often it is, because toxic substances can be harmful in small amounts.

The other issue is the meaning of “inert.” So-called inert ingredients can be more toxic than the “active” ones. By labeling an ingredient “inert,” a company may be trying to avoid admitting that there is a noxious ingredient in its product. The manufacturer may call its formulation a “trade secret.”
Try to obtain a list of the inert ingredients by subpoena and have a laboratory analyze the product. Once you establish what the inert ingredients are, your consultants should assess their toxicity.

“But we didn’t exceed government standards for exposure.” “Safe” levels of exposure are a compromise between an industry’s commercial needs and consumer protection and do not guarantee that an injury cannot occur. These standards generally become stricter with every passing decade, and incidents of reported chemical injury are what cause them to change.

Furthermore, safe levels are routinely set to protect a healthy male worker. But some people are more susceptible than others. Women, for instance, tend to be more sensitive than men, and different bodies react differently to toxins.23 Variations in sensitivity are even observable in rats. Also, there may be no safe level at which a person can inhale a particular substance.
The MSDS typically will state that if a person shows signs of illness, you must remove him or her from the area immediately. This suggests that it is generally recognized that some people will become ill even when they are working under the recommended safe-exposure guidelines.

“This amount was far too small to damage anyone’s health.” Chronic exposure to low levels of some toxic chemicals can be even worse than a single acute exposure, because brain damage is cumulative over time.

“The plaintiff had preexisting conditions.” Plaintiffs in these cases often do. It makes sense that people whose health is already compromised are the most vulnerable to poisons, because their bodies’ detoxification systems—especially the liver and kidneys—are already stressed. People with a preexisting condition suffer further deterioration of their health. Your expert should document the preexisting condition thoroughly—this may require extensive review and analysis of the medical record—and document what new symptoms emerged and what preexisting symptoms became worse.

“Just smelling the chemical could not have caused this.” Actually, inhalation and skin contact are often more effective routes of entry for a poison than swallowing. When something is swallowed, it is partly neutralized by stomach acids. The body then attempts to detoxify it through the liver, kidneys, and other organs. But inhalation and skin contact allow a substance to enter the bloodstream directly, without any filtering. For example, doctors now use skin patches to administer morphine and birth control.24 And sniffing glue (solvents) can produce an instantaneous high and cause immediate and permanent brain damage.

“A neurologist found nothing wrong.” Few neurologists have training in toxicology, and they rarely recognize the symptoms of neurotoxicity. A patient who suggests his or her symptoms were caused by a chemical exposure may encounter a brick wall of denial, bordering on hostility.

Some neurologists won’t pay attention unless a patient’s symptoms are extreme: For example, the patient cannot tell what day it is or walk in a straight line. Even then the neurologist may misdiagnose the patient as normal, even if neuropsychological testing shows serious functional deficits. Still, a neurologist’s exam may help rule out non-toxicological causes of a neurological illness or document certain physical signs, such as seizures or gait disturbances.

“Chronic pain is not a symptom of brain or nerve damage.” The term “chronic pain” may seem vague, outside the realm of most doctors, and potentially confusing to a jury. But chronic pain can certainly be a symptom of brain damage and toxic exposure.

Damage to the brain and nerves can disrupt the nerve signals themselves or the way the brain interprets those signals.25 Resulting sensations can be tingling, burning, or debilitating pain, which one of my chronic pain patients described as “like a thousand razor blades.” Chronic pain can be a terrible ordeal and may require strong painkillers whose side effects could cause more damage.

“It is ludicrous to believe that neurotoxic chemicals can cause such disparate symptoms as insomnia, chronic fatigue, and gastrointestinal problems.” On the contrary, the brain and nervous system control all bodily functions. The autonomic nervous system controls the involuntary part of bodily processes, including digestion, blood circulation, and the “fight or flight” response.

“Multiple chemical sensitivity does not exist.” Studies indicate that almost 16 percent of the U.S. population report having unusual reactions to common chemicals.26 About 6.3 percent have been diagnosed with MCS or declared disabled from it.27 There is considerable research on, and international recognition of, this condition.
“The plaintiff is malingering.” Every competent forensic neuropsychological assessment includes tests for malingering. When assessing a potential client, consider that a chemical injury would be one of the most difficult injuries to fake. Doctors who recognize the symptoms are few and far between.

You will probably find that your client has tried to find a cure, sincerely wants to return to work, and is seeking litigation as a last resort. The “invalid” label is profoundly depressing to most people. Nevertheless, you must always rule out the possibility of malingering and psychosomatic disorders.

“The plaintiff has a personality disorder (or is mentally ill).” Ironically, a plaintiff’s personality disorder may be evidence of injury, not a reason to dismiss the case. Brain damage can result in such disorders, psychiatric symptoms, and even schizophrenia. Establish the patient’s mental health before the exposure to help determine whether the exposure caused or exacerbated the psychiatric symptoms. In any case, it is not surprising when a person with a chronic illness, adjusting to a devastating life change, develops what may be diagnosed as a personality disorder.

On the other hand, some patients with a diagnosis of a psychiatric disorder don’t actually have one. A patient may have received that diagnosis precisely because he or she claimed to be hurt by chemicals and was labeled “delusional.”

Compensation and cure

There is no standard medical cure for chemical injury, but conventional medical treatments may help some symptoms and promote modest improvement. Alternative medicine treatment for neurotoxicity is controversial, but in our experience, nutritional therapy (including natural foods diet) and natural medicines (including acupuncture and holistic exercises, such as Tai Chi and Chi Gong) may be the only methods that help neurotoxic and extremely sensitive patients. Your clients should receive enough compensation to pay for continuing treatment, including less conventional approaches, such as medically supervised detoxification, infrared saunas, visits to rehabilitation centers, and possibly hyperbaric oxygen treatments.

Compensation should include lost salary, lost savings, and medical bills that will probably continue for a lifetime. It should cover counseling or psychotherapy to help patients adjust to being chronically ill; losing their jobs, their friendships, and possibly their homes; straining their marriages; and being unable to continue with hobbies. But they generally should avoid psychiatric drugs. Chemically sensitive patients may react to pharmaceuticals (usually petroleum derivatives) as they do to chemicals.

Your familiarity with neurotoxicity and chemical injury will help you guide your client to the clearest assessment of his or her disability. Choosing the right experts and testing will contain litigation costs and further your goals of obtaining justice and compensation.

Raymond Singer, Ph.D., is a forensic neurobehavioral toxicologist and neuropsychologist in Santa Fe, New Mexico, with additional offices in New York City. He handles cases on a nationwide basis.  Dana Darby Johnson is an associate in his practice.

Notes
1.See, e.g., Bernhard Voller et al., Neuropsychological, MRI, and EEG Findings After Very Mild Traumatic Brain Injury, 13 BRAIN INJURY 821 (1999) (finding only 3 of 12 patients with brain dysfunction demonstrated an abnormal MRI). 2.See, e.g., Joseph C. Arezzo & Herbert H. Schaumburg, Screening for Neurotoxic Disease in Humans, 8 J. AM. C. TOXICOLOGY 147(1989); see also Pamela Reed Gibson, Disability-Induced Identity Changes in Persons with Multiple Chemical Sensitivity, 15 QUALITATIVE HEALTH RES. 502, 503-04 (2005). 3.See generally RAYMOND M. SINGER, NEUROTOXICITY GUIDEBOOK (2d ed. 2006, expected; 1st ed., 1990). 4.Ronald M. Ruff et al., Computerized Tomography, Neuropsychology, and Positron Emission Tomography in the Evaluation of Head Injury, 2 NEUROPSYCHIATRY, NEUROPSYCHOL. & BEHAV. NEUROLOGY 103 (1989). 5.See generally SINGER, supra note 3. The Neurotoxicity Screening Survey provides a complete checklist of possible signs and symptoms, available at http://www.neurotox.com/files/Q1_9.pdf (last visited Feb. 27, 2006). 6.See, e.g., Stanley M. Caress & Anne C. Steinemann, Prevalence of Multiple Chemical Sensitivities: A Population-Based Study in the Southeastern United States, 94 AM. J. PUB. HEALTH 746 (2004); Nancy Fiedler et al., Responses to Controlled Diesel Vapor Exposure Among Chemically Sensitive Gulf War Veterans, 66 PSYCHOSOMATIC MED. 588 (2004); Howard M. Kipen et al., Prevalence of Chronic Fatigue and Chemical Sensitivities in Gulf Registry Veterans, 54 ARCHIVES ENVTL. HEALTH 313 (1999); Richard Kreutzer et al., Prevalence of People Reporting Sensitivities to Chemicals in a Population-Based Survey, 150 AM. J. EPIDEMIOLOGY 1 (1999); William J. Meggs et al., Prevalence and Nature of Allergy and Chemical Sensitivity in a General Population, 51 ARCHIVES ENVTL. HEALTH 275 (1996).
7.See, e.g., letters and memoranda to and from Department of Housing and Urban Development, available at http://www.usdoj.gov/crt/foia/tal105.txt (last visited Jan. 23, 2006). 8.The MMPI-2 is available at http://www.pearsonassessments.com/tests/mmpi_2.htm#norms (last visited Jan. 23, 2006). 9.See, e.g., James N. Butcher et al., The Construct Validity of the Lees-Haley Fake Bad Scale: Does This Scale Measure Somatic Malingering and Feigned Emotional Distress? 18 ARCHIVES CLINICAL NEUROPSYCHOL. 473 (2003). 10.See, e.g., Voller et al., supra note 1; Paul A.M. Hofman et al., MR Imaging, Single-Photon Emission CT, and Neurocognitive Performance After Mild Traumatic Brain Injury, 22 AM. J. NEURORADIOLOGY 441 (2001); Shelli R. Kesler et al., SPECT, MR, and Quantitative MR Imaging: Correlates with Neuropsychological and Psychological Outcome in Traumatic Brain Injury, 14 BRAIN INJURY 851 (2000) (finding a modest but significant correlation between memory and intellectual impairments and number of brain abnormalities evidenced by quantitative magnetic resonance, magnetic resonance (MR), and all imaging studies combined (but not SPECT alone) and noting a positive correlation between psychological distress and MR abnormalities, most frequently in the frontal lobes). 11.See Donald J. Nolan & Tressa A. Pankovits, High-Tech Proof in Brain Injury Cases, TRIAL, June 2005, at 26. 12.Brickford Y. Brown et al., Are We Out of the Gray Area Yet? Recent Developments in the Use of PET and SPECT Scans to Prove Causation and Injury in Toxic Tort Litigation, available at http://www.morankikerbrown.com/CM/Articles/Articles67.asp (last visited Jan. 23, 2006). For an alternate perspective, see Garo Mardirossian & Joseph Martin Barrett, The Use of Functional Brain Imaging of Organic Brain Injury: A Primer, available at http://www.caala.org/DOCS/3-98mardirossian.pdf (last visited Jan. 23, 2006); see also Charles G. Monnett III & Kristin M. Jordan, Scientific Evidence Following Daubert vs. Merrell Dow: Are PET Scans Admissible to Establish Traumatic Brain Injury?, available at http://www.carolinalaw.com/CM/Articles/article-scientific-evidence.asp (last visited Jan. 23, 2006). 13.See generally SIDNEY A. KATZ & AMARES CHATT, HAIR ANALYSIS: APPLICATIONS IN THE BIOMEDICAL AND ENVIRONMENTAL SCIENCES (1988). 14.Raymond Singer, Clinical Evaluation of Suspected Mold Neurotoxicity, in BIOAEROSOLS, FUNGI, BACTERIA, MYCOTOXINS & HUMAN HEALTH: PROC. OF THE FIFTH INT’L BIOAEROSOL CONF. 78 (2005); see also Raymond Singer, Forensic Evaluation of a Mold (Repeated Water Intrusions) Toxicity Case, 20 ARCHIVES CLINICAL NEUROPSYCHOL. 808 (2005). 15.1Singer, R. (1996, March). Neurotoxicity from outdoor, consumer exposure to a methylene chloride product. Fundamental and Applied Toxicology, Supplement: The Toxicologist, 30, 1, Part 2.16.509 U.S. 579 (1993). 17.Bonner v. ISP Techs., 259 F.3d 924 (8th Cir. 2001); see also http://www.daubertontheweb.com (last visited Jan. 23, 2006). 18.See generally Bruce H. Stern, Admissibility of Neuropsychological Testimony After Daubert and Kumho, 16 NEUROREHABILITATION 93 (2001). 19.Shilling v. Mobile Analytical Servs., Inc., 602 N.E.2d 1154, 1156-57 (Ohio 1992). 20.See http://www.msds.com (last visited Jan. 23, 2006). 21.See, e.g., Raymond Singer, Neurotoxicity Guidebook, in NEUROTOXICITY OF INDUSTRIAL & COMMERCIAL CHEMICALS (John L. O’Donoghue ed., 1985). 22.Kent Anger & Barry Johnson, Chemicals Affecting Behavior, in NEUROTOXICITY OF INDUSTRIAL & COMMERCIAL CHEMICALS (John L. O’Donoghue ed., 1985). 23.See, e.g., Mark R. Cullen & Carrie A. Redlich, Significance of Individual Sensitivity to Chemicals: Elucidation of Host Susceptibility by Use of Biomarkers in Environmental Health Research, 41 CLINICAL CHEMISTRY 1809 (1995); Timothy T. Iyaniwura, Individual and Subpopulation Variations in Response to Toxic Chemicals: Factors of Susceptibility, available at http://www.riskworld.com/Nreports/2004/Iyaniwura.htm (last visited Jan. 23, 2006); Michael K. Robinson, Intra-Individual Variations in Acute and Cumulative Skin Irritation Responses, 45 CONTACT DERMATITIS 75 (2001); Michael K. Robinson, Population Differences in Acute Skin Irritation Responses: Race, Sex, Age, Sensitive Skin, and Repeat Subject Comparisons, 46 CONTACT DERMATITIS 86 (2002). 24.See, e.g., Mayo Clinic Med. Servs., Birth Control Patch, at http://www.mayoclinic.com/index.cfm?id=PR00075 (last visited Jan. 23, 2006). 25.See Nat’l Inst. Neurological Disorders and Stroke, Pain: Hope Through Research, at http://www.ninds.nih.gov/disorders/chronic_pain/detail_chronic_pain.htm (last visited Jan. 23, 2006). 26.See, e.g., Caress & Steinemann, supra note 6; Kreutzer et al., supra note 6; see also Meggs et al., supra note 6 (finding 33 percent).  27.See, e.g., Kreutzer et al., supra note 6.

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5 thoughts on “Recognizing Neurotoxicity – A Fantastic Medical Review

  1. Fantastic article!! I have been diagnosed with Organic Chemical Hyper-toxicity Syndrome with Systemic Inflammatory Response Syndrome as a result of being exposed to a hazardous toxic mold environment at a hotel in AR (all hidden behind the wallpapered areas). I had pre-existing lung diseases prior to this exposure (pulmonary hypertension, mitral valve damage, and a partially collapsed left lung), and Dr. Michael Gray found that I also have an HLA genetic deficiency which made me even more vulnerable to these toxic molds (Stachybortys, Aspergillus, and Pencillium found in heavy concentrations in my room). My mycotoxin levels (Ochratoxin and Trichothecene) are off the wall high (even after being in treatment now for about 1 1/2 years) with a TGF-Beta 1 level of 12,800 (higher than any case studies Dr. Gray has seen). I am also under the treatment now of about a year + with Dr. Robert Crago due to the severe damage this has caused to my neuro system. Dr. Thrasher had never seen a neuro system so badly affected as mine. On top of all of this, on 12/23/14 I was directly exposed to a highly restricted termiticide (Termidor SC; active ingredient Fipronil which is classified by the EPA as a possible carcinogenic to humans — verified by BASF Chemical Co., the manufacturer). Two months prior to the actual application, I was personally assured by the General Manager of this large corporately owned retirement community in Green Valley, AZ that “advance warnings” would be posted, but never were in any part of this senior community. I said directly to the GM, “I cannot be around these chemicals, Lew!” To which he responded to myself and another residents “advance warnings will be posted.” As a result of their extreme negligence and ignorance, I have been extremely ill on top of the Mycotoxicosis and has set my mold treatment so far back; even Dr. Crago (Neuro-Psychologist) having to start an entirely new treatment protocol. As if this was not bad enough, these property managers have allowed the resident who lived directly across the hall from my apartment to continue to flood her apartment and the common hallway as a result of allowing her tub to overflow for hours. The moisture, mustiness (God only knows what) came across the crawl space of the hallway ceiling into my apartment causing such high humidity problems (now I live in AZ) to the point that 90 pints of water was taken out of my air by a dehumidifier within a 3 day period of time. Dr. Gray ordered me out of this facility immediately due to their extreme negligent behavior and putting the lives of human beings at direct risk. Much more damage has been caused to my neuro system as a result of living in this senior retirement community. After the application of this poisonous termiticide, many residents have been ill (many deaths) and doctors have not been able to figure out what has made them sick. We are talking about residents here with a myriad of health problems (lung diseases, cancer, heart diseases, etc.), and many of us had our doors and windows wide open on 12/23/14 as it was a beautiful day, but windy day in Green Valley, AZ totally unaware of what was about to come down on us. I have contacted an attorney in Phoenix who has already talked to Dr. Thrasher and Dr. Gray was in the process of setting up a conference call with the attorney on 4/13/15. Once he talks to Dr. Gray, he will then contact Dr. Crago. I was never able to get an attorney to even address the severe mold infestation at that hotel in AR (had been going on in this facility for years from former employees) due to the power and money behind this facility; but I will not allow this intention poisoning my grossly incompetent and ignorant property managers who do not care one little iota about human life. And there is 48 hour notice as to when and where pesticides/termiticides will be used in and around multi-occupancy residential complexes so that residents can make an informed decision as to stay or leave. I was literally denied my right to make such an informed decision so as not to further damage my health; this decision was made by the property managers. I relocated from GA to AZ not quite 2 years ago to come under the treatment of Dr. Michael Gray, and my experiences (2 of them) in these large corporately owned retirement communities since coming to AZ have been bad ones; again, no concern for the health and welfare of their residents or for human life. No more retirement communities in AZ; am now back into a small family community in Tucson.

    1. Thanks for sharing your story Barbara!
      What a hard time you have had with your health. I hope Dr Gray can help you. He is one the best out there. Wish I could afford to go see him.
      Hoping you can recover your health each a day a bit more.
      God bless you.

  2. I too was exposed to a high concentration of Termidor SC and also BifinI/T. I had all kinds of neurological symptoms from this pesticide cocktail that was sprayed in my work area for an extended period of time. I finally figured out that it was work related when I got better when I was on vacation and worse when I returned to our small unventilated office. In 2013 I had a CT scan and all was fine. Then I had an MRI and it showed a brain tumor and it turned out to be malignant even though it was a meningioma. They are benign 95% of the time. I know that the pesticides caused the cancer and possibly the tumor since it wasn’t there before he sprayed. Any advice on detoxing?

    1. So sorry for your experience and health issues. I have done Iv therapy which has helped me along during this long process of healing. Chelation was also mentioned by my medical team but they did not believe it wise to start that yet so it is something I will be doing in the future once my body is ready and we can afford it.
      I recommended that you check out the Know The Cause site and connect with Doug Kaufmann. He is am amazing person and his books The Fungus Link give a clear and easy to understand protocol to follow.
      God bless you!

  3. I got so severely ill after 10 years of termidor and bifenthrin.. My family comes from a long line of pest business owners.. I have PTSD and am on disability but I just want a life back.. I am mortified to be around the place this happen.. Can anyone give me an idea of who to talk to my Father a PCO and Bussiness owner says I am a liar and told everyone I was using drugs. This made it worse as I had no support and am thank full to be alive.. I wish it never happened but since it has I am disability of $488 a month and my life has gone from prosperous to hell..My family said it was from drug use though I only used xanax and adhd meds so that I could still talk. It got bad and was bed ridden with kidney pain, blurred vision, panic, anxiety, confusion… To make it worse my family told the whole town it was drug use so even when I got to see a good Dr for one check up my parents said not to get any tests done,, And then said I they had no money to cover the chelation..My DR was shocked. They even cancelled coming to see a specialist with me the morning of and never talked to him.. I am lost I need help and I want to enjoy life again… Please help travwalkup@yahoo.com

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