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The IOC banned the use of all drugs
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Small-scale testing introduced at the 1968 mexico games
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The first Olympics to include full-scale testing. This occured at the 1972 munich olympics.
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Anobolic Steriods banned after a scientists dicovered tests to perform on athletes
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Caffine and Testosterone were added to the banned substances list
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Blood Doping and EPO now offically banned for athletes
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Ben Johnson tested positve to anobolic steriods during the seoul olympics
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World Anti-Doping Agency formed in Switzerland