Diet and Amyotrophic Lateral Sclerosis (ALS)04:33

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Published on March 24, 2017

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DESCRIPTION: A neurotoxin called BMAA that concentrates in seafood may help explain clusters of Lou Gehrig’s disease.

Most NutritionFacts.org videos can stand on their own, but to understand this one you have to see the prequel, ALS (Lou Gehrig’s Disease): Fishing for Answers (

For other neurotoxins found in the food supply, see:
• Amnesic Seafood Poisoning (
• Essential Tremor and Diet (
• Ciguatera Poisoning & Chronic Fatigue Syndrome (

Other toxic substances can also build up in the aquatic food chain, for example:
• Food Sources of Flame Retardant Chemicals (
• Food Sources of Perfluorochemicals (
• Pollutants in Salmon and Our Own Fat (
• Dioxins in U.S. Farm-Raised Catfish (

Have a question for Dr. Greger about this video? Leave it in the comment section at and he’ll try to answer it!

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