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Anabolic steroids are classed as illegal drugs and are banned by most legitimate sports organizations. There can be no disputing the fact that testosterone boosts the development of muscle mass and aids sporting performance. Equally there is no doubt that its use can adversely affect the health and wellbeing of users.

The androgenic properties of testosterone can affect the body in many ways but often users see these as inconveniences that can be treated by using other drugs. The most common side effects of testosterone supplementation include the following:

1. Testicle shrinkage - the body responds to testosterone overload by reducing its own production of the hormone. This causes the testicles to shrink due to lack of use. When steroid usage stops, the testicles will grow again but they could take at least six months to return to normal size.

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Anyone involved in the world of bodybuilding, and competitive sport generally, will understand the pressures that go with striving to achieve optimal performance. Sometimes athletes feel they cannot reach their peak without artificially enhancing their powers of recovery from intensive training. One way to speed up this process is through the use of anabolic steroids. In this article we’ll examine what anabolic steroids actually do. In a second article we’ll focus on the dangers associated with steroid use.

The main active ingredient in steroids is testosterone which is well known as the major male hormone. Testosterone affects the body in two ways, either as an anabolic or an androgenic influence. The anabolic action helps build body tissue by increasing lean muscle mass and bone density. The androgenic actions are those that affect secondary sex characteristics in men.

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