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Understanding Addiction and Dugs Of Abuse

Understanding Addiction and Dugs Of Abuse. Made by : Ramez Mamdouh Class: 11m1 Under supervisor: DR Aiman Elsangry. There is a lot of epidemiological evidence that addiction begins before brain maturity, and lately some biological evidence

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Understanding Addiction and Dugs Of Abuse

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  1. Understanding Addiction andDugs Of Abuse Made by: RamezMamdouh Class: 11m\1 Under supervisor: DR\AimanElsangry

  2. There is a lot of epidemiological evidence that addiction begins before brain maturity, and lately some biological evidence Addiction can rapidly develop at a time in life when a person may be virtually incapable of making wise decisions.

  3. Drugs Change The Brain The chronic presence of drugs can cause short and long-lasting changes in the nervous system – Tolerance and withdrawal • Brief changes as the brain chemistry resets itself – Dependence/Addiction • Long lasting changes in brain chemistry and wiring, like strong memories

  4. The brain chemical dopamine is releasedby the reward system, and….. • ALL addicting drugs release this brain chemical. • Many release much more than natural stimuli

  5. All Addictive Drugs Activatethis Circuit

  6. The Addiction Cycle

  7. Now, about alcohol and other drugs… Alcohol kills (acutely) in 3 ways – Suppressing respiration – Suppressing reflexes – Producing cardiac instability • People do not understand how little alcohol is required for impairment and death

  8. Aspiration and Alcohol • Alcohol paralyzes flap that closes trachea during swallowing • Stomach contents enter lungs • Acid and material cause inflammation • Secondary infection

  9. Does alcohol have positivehealth effects? • Yes, at low levels of consumption • The National Institute of Health (NIAAA) recommends: • For women, one drink per day maximum • For men, two drinks per day maximum

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