Drugs affect brain function from "summary" of Discovering the Brain by National Academy of Sciences,Institute of Medicine,Sandra Ackerman
The use of drugs can have a profound impact on brain function. When drugs are introduced into the body, they can alter the natural chemical balance in the brain. This can lead to changes in mood, behavior, and cognitive function. For example, stimulant drugs like cocaine and amphetamines can increase the levels of dopamine in the brain, leading to feelings of euphoria and increased energy. On the other hand, depressant drugs like alcohol and opioids can decrease brain activity, causing drowsiness, slowed reflexes, and impaired judgment. These effects can be dangerous, especially when driving or operating heavy machinery. Additionally, repeated drug use can lead to tolerance, where higher doses are needed to achieve the same effects....
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