blood doping

• • blood doping - increase red blood cell count
• 1. two pints of blood removed weeks before competition
  2. blood is frozen
  3. body makes more red blood cells to replace amount taken out
  4. just before competition, blood thawed and injected into athelete
• negatives:

  • increased viscosity
  • embolisms
  • heart attacks
  • risk of blood borne diseases
• sporting examples:

  • endurance atheletes