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What is a drug addiction?

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Addiction is a disease that affects your brain and behavior. When you're addicted to drugs, you can't resist the urge to use them, no matter how much harm the drugs may cause. Drug addiction isn't about just heroin, cocaine, or other illegal drugs. read more

Drug addiction is a chronic disease characterized by drug seeking and use that is compulsive, or difficult to control, despite harmful consequences. Brain changes that occur over time with drug use challenge an addicted person’s self-control and interfere with their ability to resist intense urges to take drugs. read more

Addiction is a disease that affects your brain and behavior. When you’re addicted to drugs, you can’t resist the urge to use them, no matter how much harm the drugs may cause. Drug addiction isn’t about just heroin, cocaine, or other illegal drugs. You can get addicted to alcohol, nicotine, opioid painkillers, and other legal substances. read more

drug addiction a state of heavy dependence on a drug; sometimes defined as physical dependence but usually also including emotional dependence, i.e., compulsive or pathological drug use. It is often used synonymously with drug dependence. read more