Cocaine is a powerful drug that speeds up the brain and nervous system. It is made from the leaves of the coca plant and is usually used a white powder. Cocaine increases dopamine levels in the brain, leading to feelings of extreme joy and excitement, increased energy, and increased awareness. Users may also experience increased heart rate, high blood pressure, and reduced appetite. Cocaine is highly addictive because of its intense effects on the brain's reward system. It is illegal in most countries and can have serious health consequences, including cardiovascular issues, respiratory problems, and mental health disorders.

“cocaine”的英语定义和含义

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