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  1. Drug addiction (substance use disorder) - Mayo Clinic

    Jun 20, 2025 · Drug addiction can start with experimental use of a recreational drug in social situations, and, for some people, the drug use becomes more frequent. For others, particularly …

  2. Understanding drug addiction and recognizing it in yourself or …

    Sep 21, 2022 · Drug addiction, also known as substance use disorder, is a disease that affects a person's brain and behavior and leads to an inability to control the use of a legal or illegal drug …

  3. Prescription drug abuse - Symptoms and causes - Mayo Clinic

    Oct 25, 2022 · Prescription drug abuse in older adults is a growing problem, especially when they combine drugs with alcohol. Having multiple health problems and taking multiple drugs can put …

  4. How to tell if a loved one is abusing opioids - Mayo Clinic

    Jan 19, 2024 · You may convince yourself that you'd know it was time for action if your loved one's addiction was truly serious. Even healthcare professionals may overlook common signs …

  5. How opioid use disorder occurs - Mayo Clinic

    Jul 20, 2024 · Drug addiction is defined as an out-of-control feeling that you must use a medicine or drug and continue to use it even though it causes harm over and over again.

  6. Teen drug abuse: Help your teen avoid drugs - Mayo Clinic

    Feb 22, 2023 · Many factors can feed into teen drug use and misuse. Your teen's personality, your family's interactions and your teen's comfort with peers are some factors linked to teen …

  7. Alcohol use disorder - Symptoms and causes - Mayo Clinic

    May 18, 2022 · Signs and symptoms include sweating, rapid heartbeat, hand tremors, problems sleeping, nausea and vomiting, hallucinations, restlessness and agitation, anxiety, and …

  8. Drug addiction (substance use disorder) - Mayo Clinic

    Jun 20, 2025 · Diagnosing drug addiction (substance use disorder) requires a thorough evaluation and often includes an assessment by a psychiatrist, a psychologist, or a licensed alcohol and …

  9. Recognizing the common signs of an addictive personality.

    Jul 21, 2022 · While the feeling of reward is healthy, some signs of it moving towards addiction include always wanting more, constantly needing more, continuing despite negative outcomes, …

  10. Nicotine dependence - Symptoms and causes - Mayo Clinic

    Jun 14, 2025 · But smoking cigarettes doesn't help relieve symptoms of these conditions. Substance use. People who use alcohol and illicit drugs are more likely to smoke. …