Anabolic steroids are a type of substances whose chemical composition is similar to hormones such as testosterone. These substances are used by many sports persons and body builders to improve their fitness, and to increase their stamina and strength. In many sports, use of such substances is therefore illegal, because they are deemed to give undue advantage to their users. Apart from their illegality in many sports, there still are many negative side effects of anabolic steroids. Here we will discuss the 4 main disadvantages of using anabolic steroids.