What does the 4 billion a year, blockbuster Alzheimer's drug donepezil (trade name Aricept) have in common with insecticides, chemical weapons and venom? Quite a lot more than consumers taking them have been lead to believe. As a member of the chemical class known as acetylcholinesterase inhibitors donepezil interferes with the cholinesterase enzyme, preventing the neurotransmitter acetylcholine from breaking... resulting in an increase in both its levels and duration of action.
A new study published in the Journal of Stroke and Cerebrovascular Disease confirms that extracts of one of the oldest plants in existence today, the 'living fossil' known as Gingko biloba, protects against stroke-related neurologic deficits in human subjects.
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