Summary Two

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The drug classification online reading explains the pharmacology of common drugs. It also explains the difference between addictive drugs and abused drugs. The main component of an addictive drug is that the user continues to use the drug despite negative consequences. It is important to note that not everyone who uses an addictive drug will become addicted. The neurobiological actions of the drug, genetics, family history, environment, and underlying psychiatric diseases contribute to drug addiction.
Drugs such as nicotine, alcohol, cocaine, amphetamines, narcotics, and marijuana are addictive drugs. However, hallucinogens and MDMA may be illegal and responsible for health problems, but are not addictive. Addictive drugs can be defined as drugs that people will voluntarily self-administer, cause an increase in dopamine, and lower the threshold for brain stimulation reward. Although all addictive drugs share a final result of releasing dopamine, each drug has a different way of achieving that effect.
Alcohol is the most common addictive drug due to its widespread use. A blood a...

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