Drugs

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  • Drugs
    • Testing drugs
  • they are tested on human cells and tissues.
    • Testing drugs
  • Ethically wrong?
    • The next stage is testing on animals
      • they are tested on human cells and tissues.
    • First on healthy volunteers
      • Clinical trials
      • Then once side effects are checked it goes onto treating people with the illness
        • First on healthy volunteers
          • Clinical trials
        • This is where the optimum dose is found
          • Then once side effects are checked it goes onto treating people with the illness
          • To test the success of the drugs some people are given the Placebo and some the new drug.
            • Thalidomide
              • Helped morning sickness for pregnant women in the 1950's.
                • Thalidomide
                • It was not a tested drug...
                  • This lead to around 10,000 deformed babies before it was banned.
                    • It was not a tested drug...
                    • Recently it has been used to treat Leprosy and some other diseases.
                      • Recreational Drugs
                        • Drugs
                          • illegal are put into two classes: 'Hard' and 'Soft'
                        • Some are legal and some are illegal
                          • Recreational Drugs
                            • illegal are put into two classes: 'Hard' and 'Soft'
                        • Hard drugs are known to be more addictive and also more harmful.
                          • people use them for enjoyment, relaxation and stress relief.
                            • why use them?
                            • why use them?
                              • Tobacco and alcohol are legal but have a massive impact on society
                                • Smoking
                                  • Tobacco and alcohol are legal but have a massive impact on society
                                  • Alcohol
                                    • causes disease of the heart, blood vessels and lungs.
                                      • Smoking
                                      • Tobacco smoke can cause Cancer.
                                        • Nicotine is the drug in Cigarettes, this is addictive and makes it hard to stop smoking.
                                          • This affects the nervous system, also slowing down the body's reactions.
                                            • Alcohol
                                            • Too much alcohol can lead to impaired judgement, poor co-ordination, and unconsciousness.
                                              • Excessive drinking can cause liver disease and brain damage.
                                                • Alcohol is also addictive!
                                                  • Statins
                                                    • They are known to lower the blood cholesterol and lower the risk of heart disease in diabetics.
                                                  • These are prescribed drugs
                                                    • Statins
                                                      • They are known to lower the blood cholesterol and lower the risk of heart disease in diabetics.
                                                  • They lower the risk or heart and circulatory diseases.
                                                    • Cannabis
                                                      • This is an illegal drug.
                                                        • Cannabis
                                                        • Scientists have investigated whether the Cannabis smoke can cause mental health problems.
                                                          • No one is sure!
                                                            • Scientists have investigated whether the Cannabis smoke can cause mental health problems.

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