Because of a variety of scientific and public biases, this drug was mistakenly thought to lead to Parkinson's disease

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MDMA was mistakenly thought to lead to Parkinson's disease due to a study conducted in the 1980s where researchers gave monkeys high doses of MDMA and observed damage to dopamine neurons, a characteristic of Parkinson's. However, the doses given to the monkeys were much higher than what is typically consumed by humans, and subsequent studies have not found a link between MDMA use and Parkinson's disease in humans.

Because of a Variety of Scientific and Public Biases, This