Pls explain in detail how the drug affected brain cells at the cellular or molecular level (do not just copy and paste on internet) Please write the details of each one. i need a long explanation each one. thanks 1. Heroin 2. Ecstasy 3. Cocaine 4.LSD

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Substance Abuse

Substance abuse refers to the use of illegal drugs in excessive quantities, as well as the misuse of legal substances such as prescription or over-the-counter pharmaceuticals or alcohol for purposes other than those intended. Drug addiction, also known as substance use disorder, is a disease that affects the brain and behavior of a person. It leads to a failure to control the use of any drug or prescription, legal or illegal.