How the Neurotoxin in Dungeness Crab Causes Brain Damage

The California Fish and Game Commission has banned crab fishing until further notice after detecting high levels of a neurotoxin in Dungeness and rock crabs. The toxin, domoic acid, is produced by certain types of planktonic algae, and it becomes concentrated in tissue of crabs and other marine organisms during plankton blooms. People who consume sufficient quantities of the toxin develop amnesic shellfish poisoning, so named because it kills neurons in a part of the brain that is critical for memory. Here’s how it works.

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Posted in Animal Research, by Douglas Fields, Cell Communication, Chemicals, Diet and Exercise, Diseases & Disorders, Epilepsy, Learning and Memory, Policymakers, Uncategorized
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The Absurdity of “Medical Marijuana”

Marijuana use is legal in many states for medical purposes, most of them dealing with neurological conditions (pain, epilepsy, tremor, multiple sclerosis, and many others).  From the perspective of a neuroscientist researcher, the situation with respect to “medical marijuana” is absurd.  Continue reading

Posted in Addiction, Animal Research, Brain Development, by Douglas Fields, Cell Communication, Chemicals, Degenerative Disorders, Diseases & Disorders, Epilepsy, Immune System Disorders, Movement Disorders, Neural Network Function, Neuroethics, Neurolaw, Policymakers, Psychiatric Disorders, Technologies, Uncategorized
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