B1: Medicine and Drugs

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  • Created by: khastie
  • Created on: 04-06-14 13:46
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  • B1: Medicine and Drugs
    • Developing new medicines
      • Placebo
        • Double blind trial
          • Neither doctor nor patient knows about placebo
        • Do not contain drug
      • Thalidomide
        • Not tested for pregnancy = abnormalities
      • Testing
        • 1. Cells/tissues
        • 2. Organs
        • 3. Animals
        • 4. Healthy volunteers
        • 5. Patients
    • How effective are medicines?
      • Statins- lower 'bad' cholesterol
        • Trials shown decrease-40% of heart disease and strokes
      • Herbal remedies
        • St Johns Wort- depression
        • Effectiveness checked in double blind trial
    • Drugs
      • Have to be tested well over a long time
      • Recreational- used for pleasure
      • Withdrawal symptoms
    • Legal and illegal drugs
      • Recreational
        • Affect brain and nervous system
        • Adverse effects on heart
        • Easy to become addicted
        • Health problems e.g.
      • Medicinal drugs
        • Developed over many years
        • Most on prescription
    • Drugs in sport
      • Steroids
        • Build muscle mass
      • Blood doping
        • Removing blood, replacing in body
          • More red blood cells = more carried oxygen

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