But as a teen, you already have all the testosterone and energy that you need to bulk up and reduce body fat. Starting at puberty, your testosterone levels increase rapidly, peak at 20, and stay level until around 40. Nature has already given you everything you need. All you have to do is exercise, eat healthy, and sleep. Remember, more-and-more high schools and all colleges test their athletes for steroids. Not only will testing positive for steroids cause a student to be banned from sports, it could also cause his/her team to forfeit a game or entire season.
Steroids affect your heart. Steroid abuse has been associated with cardiovascular disease, including heart attack and stroke. These heart problems can even happen to athletes under the age of 30. Steroids affect your liver and kidneys. Steroids can cause high blood pressure and kidney and liver tumors. Steroid use can also cause blood-filled cysts to develop in the liver. Both the tumors and cysts can rupture, causing internal bleeding. Steroids affect your appearance. In both sexes, steroids can cause male-pattern baldness, cysts, acne, and oily hair and skin. Steroids can affect your growth. Under normal