B1 - Drugs: Use and Harm

You need to know the uses and harm of drugs, and the type of drugs (for example, a stimulant) for your exam. I have compiled all of this information into some revision cards for you.

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Key Words Required For The Exam

Drugs - substances that alter the way the body works.

Prescription - where your doctor decides if you should have a drug or not.

Addiction - a physical need for a drug that, if not supplied, will result in withdrawal symptoms.

Withdrawal symptoms - symptoms caused by suddenly stopping taking a drug you are addicted to; these include shaky hands, nausea, and headaches.

Tolerance - where the body gets used to having a drug, and so needs a higher dose to give the same effect.

Rehabilitation - help and support to overcome an addiction to drugs.

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Examples of depressants;

  • alcohol
  • solvents
  • temazepam

Effect of depressants;

  • decrease brain activity
  • slows down responses
  • poor judgement of speed and distance
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Examples of stimulants;

  • nicotine
  • ecstasy
  • caffeine

Effects of stimulants;

  • increase brain activity
  • makes you feel more alert
  • makes you feel more awake
  • often used to treat depression
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Examples of painkillers;

  • aspirin
  • paracetamol

Effect of painkillers;

  • reduce amount of painful stimuli at nerve endings
  • this reduces overall pain
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Performance Enhancers

Examples of performance enhancers;

  • anabolic steroids
  • testosterone

Effects of performance enhancers;

  • helps build muscle
  • allows you to train harder
  • used by athletes
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Examples of hallucinogens;

  • LSD

Effects of hallucinogens;

  • distort what is seen and heard
  • alter the pathways that the brain sends messages along
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