drugs

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  • DRUGS
    • is any chemical that changes the way our body works
      • they affect the central nervous system
        • they control the movement of chemicals across synapses
          • chemicals have specific shapes that fit the receptors
      • drugs mimic the chemicals by having similar shapes
        • chemicals have specific shapes that fit the receptors
    • recreational
      • legal
        • caffeine
        • nicotine
        • if they are used alot your body becomes tolerant to them
          • this means more has to be used to gain the same effect
      • illegal
        • cannabis
        • ecstasy
        • if they are used alot your body becomes tolerant to them
          • this means more has to be used to gain the same effect
      • you can become addicted
        • withdrawl symptoms
          • tremours
          • headaches
    • are tested for efficiency, toxicity and dose
      • they are testedon cells, tissues, animals
        • placebo
    • statins
    • thalidomide

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