2. Are used to increase the amount of urine produced. Used by performers who need to lose weight e.g. e.g. Side effects of diuretics include: Dehydration, can cause dizziness, cramps & headaches Long term – kidney problems Injuries are a problem for many sportspeople. Many are prepared to take drugs so they can return to competition as quickly as possible. Drugs in this category include: HEROIN/METHADONE/MORPHINE They depress the nervous system to stop pain but can increase the risk of long-lasting injury & so are now banned. Side effects include: 1)loss of concentration2)loss of balance 3) loss of coordination 4) hallucinations <br />The performance enhancing quality of this drug is that they increase the number of red blood cells allowing the body to carry extra _______and disperse waste products and lactic acid HGH Human Growth Hormone is used to increase muscle development. Is a relatively new drug & has fewer side effects than steroids. Can be tested for through a blood test EPO- increased the production of Red blood cells is used to treat people with ___________Results have better aerobic capacity, used in sports such as …….RISKS – thick blood so risk of heart attacks & strokes <br />Includes amphetamines, cocaine, nicotine & caffeine Stimulants stimulate the central nervous system increasing alertness & preventing tiredness. They also offset the effects of lactic acid on muscles Side effects: Insomnia irritability irregular heart beat increased heart ratehigh blood pressureaddiction <br /> <br />