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  Neurotoxicants.com, website of Dr. Marcia Ratner, expert, neurotoxicologist consulting in neurotoxicology, neurotoxins, neurotoxicants, and neurodegenerative disease
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Welcome to Neurotoxicants.com  

Dr. Marcia Ratner, an internationally renowned board certified toxicologist, best known for her expertise  in occupational and environmental neurotoxicology, is the Proprietor, Principal Neurotoxicologist and Director of Research at Neurotoxicants.com.

Dr. Ratner's Credentials
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Poison is in everything, and no thing is without poison.
The dosage makes it either a poison or a remedy.
 ― Paracelsus 


Learn more about the work of Dr. Ratner and the Neurotoxicants.com team at the links below

Amyotrophic Lateral Sclerosis (ALS)


Massachusetts Federal District Court Permits Expert Testimony Regarding Hastening of Amyotrophic Lateral Sclerosis also known as Lou Gehrig's Disease

Ruling  Allen v. Martin Surfacing, 263 F.R.D. 47​

U.S. District Judge approves settlement agreement in ALS neurotoxicity case.

Allen v. Martin Surfacing case is cited in the "Reference Manual on Scientific Evidence, Third Edition, Federal Judicial Center, National Research Council.​ 

Parkinson's Disease

Workplace Safety and Insurance Board of Ontario Canada Appeals Tribunal WSIAT Decision - 1804 09

Workplace Safety and Insurance Board of Ontario Canada
Appeals Tribunal  WSIAT Decision - 1281 14


"In questions of science, the authority of a thousand is not worth the humble reasoning of a single individual.” ― Galileo Galilei
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Neurotoxicants.com is strictly an information and news website about the associations between chemical exposure and neurological disease. The information provided on this site is meant to complement and not replace any advice or information from your healthcare professional. This content is not intended to be a substitute for professional medical advice or treatment.  Always seek the advice of your physician or another qualified health provider with any questions you may have regarding a medical condition. Never disregard professional medical advice or delay in seeking it because of something you have read on this website.  While every care has been exercised in compiling and publishing the data contained in these pages, Neurotoxicants.com accepts no responsibility for errors or omissions to of the information provided on this website. Neurotoxicants.com cannot be held liable for typographical errors, layout error or misinformation contained herein.  Copyright © 2015-2025, Dr. Marcia H. Ratner, DABT, Proprietor and Principal Consultant, D.B.A. Neurotoxicants.com is registered with Dun and Bradstreet.  All Rights Reserved. Privately funded; Neurotoxicants.com does not accept or host paid advertising.  Neurotoxicants.com does not accept payment from any external influences which could affect the objectivity of the editorial content of this website.

Updated
January 14, 2025
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