biology 1 chapter 3.1

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Developing new medicines 

  • New drugs have to be throughly tested before they are sold as medicines
  • Drugs are tested to see if they work, to find out if they are toxic and to see if they cause side effects
  • Thalidomide was developed as a sleeping drug but not tested for preventing morning sickness, so some babies had birth defects.

How effective are medicines?

  • Statins are drugs which lower blood chloesterol levels.Their use has lowered cardiovascular diesease in the population by over 40%
  • Double blind trials should be used to check


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