Make a list of performance-enhancing substances and describe any two?

List of performance enhancing substnces:

1. Stimulants
2. Anabolic Steroids
3. Di-Uretics
4. Peptide Hormones
5. Narcotics
6. Beta-2 Agonists
7. Cannabinoids

Stimulants: The athlete uses cocaine, amphetamines, Modafinil etc. as a tablet, injection or spray to improve his level and performance on sports. It reduces the reaction time and the rate of fatigue of the athlete.

Anabolic steroids: The athlete uses these substances to improve the strength and growing of the muscles. These are taken orally or by injection to enhance their performance in sports.