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      • Imaging scans, chest X-rays, and blood tests can show the damaging effects of long-term drug use throughout the body. For example, it is now well-known that tobacco smoke can cause many cancers, methamphetamine can cause severe dental problems, known as meth mouth, and that opioids can lead to overdose and death.
      nida.nih.gov › publications › drugs-brains-behavior-science-addiction
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  2. Drugs affect the body's central nervous system. They affect how a person thinks, feels and behaves. The seven main types are depressants, psychedelics, stimulants, empathogens, opioids, cannabinoids, and dissociatives.

  3. Mar 21, 2024 · Some effects of drug abuse and addiction include changes in appetite, mood, and sleep patterns. More serious health issues such as cognitive decline, major organ damage, overdose, and death are also risks.

    • Laura Dorwart
  4. Drugs interfere with the way neurons send, receive, and process signals via neurotransmitters. Some drugs, such as marijuana and heroin, can activate neurons because their chemical structure mimics that of a natural neurotransmitter in the body. This allows the drugs to attach onto and activate the neurons.

    • effects of drugs on the body systems examples1
    • effects of drugs on the body systems examples2
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  5. Feb 14, 2023 · The effects on the body depend on the type of substance a person uses and their health history. Examples of common psychoactive drugs include: alcohol; cannabis; cocaine; heroin;...

  6. Drugs are chemical substances that when taken into the body can have great impacts on the brain and the body systems. Knowing how the brain works, and the impacts that drugs can have on brain function and behavior, will give you the knowledge and power to make decisions about your own drug use.

  7. Oct 4, 2022 · Symptoms & causes. Diagnosis & treatment. Doctors & departments. Care at Mayo Clinic. Overview. Drug addiction, also called 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 or medicine.

  8. May 19, 2022 · Examples. Are they harmful? Risks. Summary. Psychoactive drugs are substances that affect the brain. The types range from heroin to caffeine. These substances can affect awareness, thoughts,...

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