India, July 9 -- In Rottenseed! Cottonseed, Alzheimer's and Your Brain , nutritionist Bruce Semon traces the rise of Alzheimer's to a toxin in cottonseed that goes to the brain and randomly ties up important structures there. Cottonseed, a byproduct of cotton farming, contains poison but is routinely fed to farm animals, poultry and fish, from where it enters their flesh and reaches human beings when they eat this meat. Dr Semon, the first writer to trace the link between toxic cottonseeds and human health, describes his experiments on feeding cottonseed to animals.

In India, some farmers are illicitly extracting cottonseed oil and selling cheaply to vegetable oil dealers, who mix it with edible oils and sell to unwary consumers. In the ...