With the rise of numerous regional championships, as well as the growth in Olympic-style multi-sport events (such as the Commonwealth Games and the Pan-American Games ), competitions between international track and field athletes became widespread. From the 1960s onwards, the sport gained more exposure and commercial appeal through television coverage and the increasing wealth of nations. After over half a century of amateurism, the amateur status of the sport began to be displaced by growing professionalism in the late 1970s.  As a result, the Amateur Athletic Union was dissolved in the United States and it was replaced with a non-amateur body solely focused on the sport of athletics: The Athletics Congress (later USA Track and Field ).  The IAAF soon followed suit in 1982, abandoning amateurism, and later removing all references to it from its name by rebranding itself as the International Association of Athletics Federations.  The following year saw the establishment of the IAAF World Championships in Athletics —the first ever global competition just for athletics—which, with the Olympics, became one of track and field's most prestigious competitions.
Steroids are used in medicine to treat anemia . This is because steroids UK are known to increase the red blood cell count of the user. This means that steroids can be used to manage or treat anemia. Since steroids are used to increase muscle mass, they can be prescribed to individuals who have lost a significant amount of weight due to certain illnesses, such as HIV , cancer and TB among others. Individuals who have delayed puberty can also benefit from anabolic steroids. Delayed puberty is caused by delayed secretion of testosterone. Since anabolic steroids have similar effects as testosterone, they can be used to stimulate primary and secondary male sexual characteristics.
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The recent past isn’t filled with “good guys,” as it were: the early 2000s ensnared many of America’s biggest names in the sport, including Marion Jones, a star at the 2000 Olympics in Sydney, who admitted to using steroids and was stripped of her medals. Tim Montgomery’s 100-m world record, set in 2002, was stripped. And the current team in Rio includes athletes who’ve been suspended for doping. Justin Gatlin , America’s fastest man at the 2016 Olympics, tested positive for performance-enhancing drug use in 2006, and served a four-year ban. Tyson Gay, a member of the . 4 X 100 relay roster in Rio, tested positive for an anabolic steroid in 2013, costing the entire . 4 X 100 relay team at the London Olympics their silver medals.