Some enhance performance, and some detract. Your question needs to be more specific.
makes you drowsy and tired
ALL DRUGS will affect your performance in some sort of way.
Damon salvatore!
Because it gives certain players more advantage's. Also certain drugs are illegal Also, many of these drugs have longterm effects on the liver and kidneys--they should not be prescribed.
Steroids
Lance Armstrong
Drugs might actually improve one's performance.
you have to be quite all the time
Yes,it should be legalized in sports.
Steroids. (Performance Enhancing Drugs)
btec sport
Drugs effect nerves in your body that can paralyze you so you wouldn't be able to play sports
Yes, but to do that is Illegal and foolish. Drugs are a way to "cheat" on the natural development of muscular strength and stamina.