Drugs are taken to improve sports performance by enhancing the body's ability to transport oxygen, increasing response times, building muscle faster, and reducing pain. Stimulants raise heart rate and blood pressure to increase alertness but can cause health issues when worn off. Narcotic analgesics are painkillers that relieve pain but are addictive and may worsen injuries. Anabolic steroids help build muscle but can lead to health problems when taken artificially. Diuretics are used to lose weight before events but cause dehydration and electrolyte imbalances.
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