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Ergogenic aids are substances, foods, or training methods that enhance energy production, use or recovery and provide athletes with a competitive advantage.
Safe ergogenic aids include the following:
Some ergogenic aids are known to have harmful side effects and this is the reason why they are banned by sports governing authorities because they are unsafe and unethical. The most abused aids include the following:
Athletes who train hard frequently complain about energy drain and fatigue. Because they are regularly reminded to consume adequate fluids and fuel to minimize early fatigue and to maximize performance and recovery, many have turned to “energy” drinks”. These are liquid food products that contain both fluid and energy together in one bottle. Recent research sponsored by the Food and Nutrition Information Center of the United States Department of Agriculture (USDA) has shown however, that some energy drinks were found to contain herbs, amino acids, protein, and other substances in such small amounts that they were unlikely to have any noticeable effect on performance. Other energy drinks were found to have contents that may result in inefficient absorption of fluid and nutrients from the intestine, with the possibility of gastrointestinal distress. The absorption of nutrients involves a delicate balance of interactions among various nutrients and the body and boosting intake of one may upset that balance
Athletes are always looking for sound, effective aids to boost performance and many believe that herbs can improve athletic performance. Herbs are non-woody plants or parts of plants that have a long history of medicinal or therapeutic use. In fact, many common medications, such as aspirin and quinine, were first developed from herb extracts. However, if herbs can act as drugs, they are also associated with potential adverse effects or interactions with foods, other herbs, or medications.
Treatment for excessive use of ergogenic supplements starts with complete avoidance. Depending on the supplement used and the medical complications, aftercare is tailored to individual cases and depend on the nature of the resulting medical condition.
Harmful effects have been reported for several ergogenic products. Anabolic steroids have many adverse effects, most related to the unwanted andro-genic effects, such as shrinking testicles, enlarged prostate gland, and lower sperm levels. Some of the adverse effects are potentially serious and irreversible and they include heart, liver, and immune system problems. Behavior changes may include aggression, paranoia, mood swings, low sex drive, and depression. Blood doping has been linked to strokes, allergic reactions, and infections. HGH adverse effects include heart and nerve diseases, glucose intolerance, and higher levels of blood fats Other effects also come from the extra HGH levels in the body along with what is already produced by the pituitary glands. Ergogenic doses of caffeine may cause restlessness, nervousness, insomnia, and tremors. At least 17 deaths have been linked to products that combine caffeine and ephedrine. Additional risky supplements in the ephedrine class include androstenedione and other “prohormone” precursors to testosterone, yohimbine, and products that contain kava. Adverse effects have also been reported with carbohydrate supplementation. Increased insulin levels after carbohydrate consumption were shown to significantly decrease blood glucose levels in some athletes, and fructose-containing solutions have been associated with adverse gastrointestinal effects in some studies.
Parents should educate their teenagers concerning the use of ergogenic aids, and strive to increase their awareness of illegal ones. Most teens however, seem very smart in that they stay away from steroids. As part of a 2002 study funded by the National Institute for Drug Abuse, teens were asked if they had ever tried steroids, even if only once. Results were that only 2.5% of 8th graders had ever tried steroids, only 3.5% of 10th graders, and 4% of 12th graders. For teenagers, hormone balance is especially important since they are at the age of puberty. Hormones are involved in the development of feminine traits in girls and masculine traits in boys. When teenagers use steroids, there is a risk of gender mix-ups. Boys can experience shrunken testicles and can also end up with breasts (gynecomastia). Using steroids, girls can develop deeper voices and grow excessive body hair with a decrease of breast size
Steroid users may be very pleased when they flex muscle in a mirror, but they may develop health problems that may hurt them for the rest of their lives, and even shorten their lives. Ergogenic supplements, unlike medicines and other drugs, do not undergo rigorous testing and screening for efficacy and safety, but information is still available, for instance from health care providers and sport medicine practitioners or at Supplement Watch (www.supplementwatch.com) and Consumer Lab (www.consumerlab.com), which provide independent test results and information to help people evaluate and select supplements.
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Larson Duyff, R. ADA Complete Food and Nutrition Guide, 3rd edChicago, IL: American Dietetic Association, 2006
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Schneider A., Friedman, T. (eds). Gene Doping in Sports, Volume 51: The Science and Ethics of Genetically Modified Athletes New York, NY: Academic Press, 2006
Wolinsky, I., Driskell, J. A., eds. Nutritional Ergogenic Aids. Boca Raton, FL: CRC Press, 2004
Yesalis, C. E., ed. Anabolic Steroids in Sport and Exercise Champaign, IL: Human Kinetics Publishers, 2000.
American Society for Nutrition (ASN). 9650 Rockville Pike, Bethesda, MD 20814. (301) 634-7050. <www.nutrition.org>
Food and Drug Administration, Center for Food Safety and Applied Nutrition. 5100 Paint Branch Parkway, College Park, MD 20740-3835. 1-888-723-3663. <vm.cfsan.fda.gov>
Office of Dietary Supplements, National Institutes of Health. National Institutes of Health, Bethesda, Maryland 20892 USA. <ods.od.nih.gov>
U.S. Department of Agriculture, Food and Nutrition Information Center. National Agricultural Library,10301 Baltimore Avenue, Room 105, Belts-ville, MD 20705. (301) 504-5414. <www.nal.usda.gov>
Monique Laberge, Ph.D.