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1Any of a large class of organic compounds with a characteristic molecular structure containing four rings of carbon atoms (three six-membered and one five). They include many hormones, alkaloids, and vitamins.
‘One of the steroids it produces is cortisol, which increases the supply of glucose in the blood.’
‘It is an important part of a healthy body, being a building block for steroids such as the sex hormones, and the hormones of the adrenal cortex.’
‘So far, all the sex pheromones found in fish have turned out to be steroids and prostaglandins.’
‘Vitamin D is a steroid produced in the skin through a reaction between cholesterol and sunlight.’
‘Little is known about the steroids associated with these structures in hagfish.’
‘Come up with a plan that gets guys off steroids and levels the playing field.’
‘These doses were comparable with the doses that many athletes who use steroids take.’
‘First there were the highly publicized congressional hearings on steroids in professional baseball.’
‘He said he had been a gymnast as a teenager and wanted to get back into gymnastics as well as do some body building and the steroids would last him about five years.’
‘There's an interesting editorial in USA Today on steroids in professional sports.’
‘You know using steroids or human growth hormone to add slabs of muscle is cheating.’
‘The commissioner's policy bans the use of steroids at the major league level.’
‘Well, this has a lot of eyes on Major League Baseball and its policy about drug testing and steroids.’
‘When someone is taking steroids, he can lift hard one day, then come back and lift the next.’
‘Players will be tested for steroids at least twice a season, including one random test.’
‘If he has a poor spring, some will doubt he even belongs in the big leagues without steroids.’
‘All but four contained steroids, which in 14 cases were classified as potent or very potent.’
‘He very quickly began to inject steroids, as he later admitted.’
‘Detecting successive generations of designer steroids will require a different type of sleuthing.’
‘Obviously testosterone levels also deplete and once you stop using steroids it can take a long time to get back to normal.’
‘He took, supposedly or allegedly, this designer steroid that helped him run faster.’
‘This is not caused by an over use of steroids but by a growth or tumour on her pituitary gland.’
‘In the 1980s steroids were the rage among power athletes, like weightlifters and sprinters.’
‘Top sluggers are adding muscle and bulk by taking steroids and growth hormone.’
‘I contend that players were caught with steroids that had been in their bodies for a while.’