Deprenyl (Selegiline), L-Dopa, and Parkinson's - The Life ...

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Dr. Knoll's advocacy of deprenyl use to extend the human lifespan is controversial. Claims of enhanced longevity in humans without conclusive proof have often caused drug companies to have problems with government regulatory agencies. At one symposium on deprenyl, the organizer of the event, Dr. John Mann, was careful to emphasize that Dr. Knoll's statements about the anti-aging...