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建立人际资源圈Steroids
2013-11-13 来源: 类别: 更多范文
Steroids
Steroids
What are Steroids
There are three major divisions of steroids: corticosteroids, estrogens and
progestogens, androgens. Corticosteroids are found in both prescription and non-prescription cremes that are used to control rashes and itches. These two common trade names are Cortaid and Lanacort. This form of steroid is not to be thought of as having addictive properties. The second forms of steroids are estrogens and progestogens. These forms of steroids are female sex hormones that promote sexual development and help to maintain a healthy reproductive system. The third forms of steroids are androgens. These are the male hormones called testosterone, which lead to secondary sexual characteristics and also help to maintain the male reproductive system. These specific forms have been labeled a highly addictive and are frequently abused, they are referred to as anabolic steroids.
History of Steroids
Until the year 1935 scientists never knew that testosterone steroids were associated with an increase in muscle production. During the next two years scientists found through research with dogs that in certain circumstances steroids had an increase on muscle mass production. The recent observations that steroids were associated with muscle mass production and strength came in 1954 with Olympic
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