PERIODICALS
American Academy of Pediatrics (AAP), Committee on
Sports Medicine and Fitness. ‘‘Promotion of Healthy
Weight-Control Practices in Young Athletes.’’Pedia-
trics116 (December 2005): 1557–1564.
American College of Sports Medicine, American Dietetic
Association, and Dietitians of Canada. ‘‘Joint Position
Statement on Nutrition and Athletic Performance.’’
Medicine and Science in Sports and Exercise 32
(December 2000): 2130–2145.
American Dietetic Association (ADA). ‘‘Position of the
American Dietetic Association: Nutrition Intervention
in the Treatment of Anorexia Nervosa, Bulimia Nervosa,
and Other Eating Disorders.’’Journal of the American
Dietetic Association106 (December 2006): 2073–2082.
Calfee, R., and P. Fadale. ‘‘Popular Ergogenic Drugs and
Supplements in Young Athletes.’’Pediatrics 117
(March 2006): 577–589.
Gottschlich, Laura M., DO. ‘‘Female Athlete Triad.’’
eMedicine, June 29, 2006. Available online at http://
emedicine.com/sports/topic163.htm (accessed April 15,
2007).
Judge, B. S., and B. H. Eisenga. ‘‘Disorders of Fuel Metab-
olism: Medical Complications Associated with Starva-
tion, Eating Disorders, Dietary Fads, and
Supplements.’’Emergency Medicine Clinics of North
America23 (August 2005): 789–813.
Karlson, K. A., C. B. Becker, and A. Merkur. ‘‘Prevalence of
Eating Disordered Behavior in Collegiate Lightweight
Women Rowers and Distance Runners.’’Clinical
Journal of Sport Medicine11 (January 2001): 32–37.
Kiningham, R.B., and D. W. Gorenflo. ‘‘Weight Loss
Methods of High School Wrestlers.’’Medicine and
Science in Sports and Exercise33 (May 2001): 810–813.
Nichols, J. F., M. J. Rauh, M. J. Lawson, et al. ‘‘Prevalence
of the Female Athlete Triad Syndrome among High
School Athletes.’’Archives of Pediatric and Adolescent
Medicine160 (February 2006): 137–142.
Suleman, Amer, MD. ‘‘Exercise Physiology.’’eMedicine,
July 28, 2006. Available online at http://emedicine.com/
sports/topic145.htm (accessed April 15, 2007).
Venderley, A. M., and W. W. Campbell. ‘‘Vegetarian Diets:
Nutritional Considerations for Athletes.’’Sports
Medicine36 (April 2006): 293–305.
Vertalino,M.,M.E.Eisenberg,M.Story,andD.Neumark-
Sztainer. ‘‘Participation in Weight-Related Sports Is
Associated with Higher Use of Unhealthful Weight-
Control Behaviors and Steroid Use.’’Journal of the
American Dietetic Association107 (March 2007): 434–440.
OTHER
Kundrat, Susan, RD, MS. ‘‘Herbs and Athletes.’’Sports
Science Exchange18, no. 96 (2005). Available online at
http://www.gssiweb.com/ (accessed April 16, 2007).
ORGANIZATIONS
American Academy of Pediatrics (AAP). 141 Northwest
Point Blvd., Elk Grove Village, IL 60007. Telephone:
(847) 434-4000. Website: http://www.aap.org.
American College of Sports Medicine (ACSM). P. O. Box
1440, Indianapolis, IN 46206-1440. Telephone: (317)
637-9200. Website: http://www.acsm.org.
American Council on Exercise (ACE). 4851 Paramount
Drive, San Diego, CA 92123. Telephone: (858) 279-
- Website: htpp://www.acefitness.org.
American Dietetic Association (ADA). 120 South Riverside
Plaza, Suite 2000, Chicago, IL 60606-6995. Telephone:
(800): 877-1600. Website: http://www.eatright.org.
American Society of Health-System Pharmacists. 7272
Wisconsin Avenue, Bethesda, MD 20814. Telephone:
(301) 657-3000. Website: http://www.ashp.org.
Dietitians of Canada/Les die ́te ́tistes du Canada (DC). 480
University Avenue, Suite 604, Toronto, Ontario, Can-
ada M5G 1V2. Telephone: (416) 596-0857. Website:
http://www.dietitians.ca.
Gatorade Sports Science Institute (GSSI). 617 West Main
Street, Barrington, IL 60010. (800) 616-4774. Website:
http://www.gssiweb.org. The GSSI website has a useful
online library of over a hundred articles on various aspects
of sports nutrition, training and performance, and sports
medicine, including material on specific sports.
Herb Research Foundation (HRF). 4140 15th Street,
Boulder, CO 80304. Telephone: (303) 449-2265. Web-
site: http://www.herbs.org.
National Center for Health Statistics (NCHS). Telephone:
(800) 311-3435. Website: http://www.cdc.gov/nchs/.
National Strength and Conditioning Association (NSCA).
1885 Bob Johnson Drive, Colorado Springs, CO 80906.
Telephone: (800) 815-6826 or (719) 632-6722. Website:
http://www.nsca-lift.org.
Sports, Cardiovascular, and Wellness Nutritionists (SCAN).
SCAN is a dietetic practice group (DPG) of the Amer-
ican Dietetic Association. Telephone: (800) 249-2875 or
(847) 441-7200. Website: http://www.scandpg.org.
U. S. Food and Drug Administration (FDA). 5600 Fishers
Lane, Rockville, MD 20857-0001. Telephone: (888)
INFO-FDA. Website: http://www.fda.gov/
default.htm.
World Anti-Doping Agency (WADA). Stock Exchange
Tower, 800 Place Victoria, Suite 1700, P.O. Box 120,
Montreal, Quebec, Canada H4Z 1B7. Telephone (514)
904-9232. Website: http://www.wada-ama.org.
Rebecca J. Frey, PhD
St. John’s wort
Definition
St. John’s wort (also sometimes called Saint John’s
wort) is the common name for any member of a group
of annual or long-living perennial herbs and shrubs
with attractive five-petaled golden-yellow flowers. It is
used by some people as a way to decrease the symptoms
St. John’s wort