The use of steroid by atheletes is usually to improve and stimulate performance illegally. Hence, steroid are used to stimulate muscle growth.
Steroids are controlled due to their ability to stimulate and gives additional strength hence, raising athlete's performance illegally
In sport, athletes are proscribed from using these enhancing substance such as steroid as it introduces bias into the sport by stimulating the growth of muscles of the athletes.
Therefore, prevention of steroid use by atheletes is due to the fact that it stimulates muscle growth.
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