"Sodium in the Diet: the Truth, Myths and Controversy," information on food content, recipe ideas and health benefits of a low-salt diet from dietician Deanna Nakamura, R.D., 7-8 p.m., Castle Medical Center, Kailua; free. 263-5400.
"Revitalization Using Your Mind and Breath," practice of breathing exercises and energy renewal from natural images with instructor Marie Riley, for people older than 55, part of the Continuing Education Program, 9:30-11:30 a.m., Windward Community College; $9. 235-7433, 235-7400.
Introduction to Reiki healing, demonstration with master Maureen Pua'ena O'Shaughnessy, 6-8 p.m., Kapi'olani Women's Center; repeats 2-4 p.m. Sunday at Kapi'olani, Pali Momi in 'Aiea; free. 535-7000, 256-8620
"CHronic Pain Clinic," workshop for dealing with long-term pain based on the work of John Sarno, Dr. Jon Kabat-Zinn and Dr. Herbert Bensen, 6:30-8:30 p.m., Yoga Hawaii; $40. Registration: 739-YOGA.
"Yoga Camp for Kids," six-week series of yoga classes for children ages 7 to 14, sponsored by Yoga Hawaii, 8-9 a.m. beginning July 21, Richards Street YWCA; $60 for 6 weeks. 739-YOGA.
Junior Sports Camp, learn a variety of of activities including in-line skating, martial arts, swimming, golf, tennis, basketball, and more from professional and local athletes, for children ages 7 to 15, 9 a.m.-noon each Saturday for four weeks, 2nd session begins Saturday, Honolulu Club; $90. 543-3974
"Foot Reflexology," two-session workshop on self-help techniques for relaxation and health improvement taught by Marie Riely of the Acupressure Center of Hawai'i, 10 a.m.-noon, this Saturday and July 28, Social Sciences Building, Room 541, UH-Manoa; $39. 956-7221.
"Relay for Life," 9th annual overnight event to benefit the American Cancer Society, with games, crafts, food, screening tests, and entertainment, 5 p.m. Saturday through 7 a.m. Sunday, Magic Island at Ala Moana Beach Park; free for observers, relay team members participate for donations or pledges. 595-7544.
"Safety for Young Women and Better Health and More Energy for Everyone, Including Wheelchair Users," lecture and demonstration of Tai Chi by master Andrew Lum, 3 p.m., Hawai'i Kai Public Library; free. 397-5833.
"First Aid/CPR Class," sponsored by the Red Cross for downtown business people, 8 a.m.- 3 p.m., Third Floor Conference Room, 1132 Bishop Street; $44. 734-2101.
"Immune Modulation," how to optimize the body's defenses and "Weight Loss," how insulin and blood sugar affect fat storage, both health seminars led by Dr. Dennis Utley, sponsored by Body Wise International, 7:30 p.m., Sheraton Waikiki; free. 545-2639.
"Snoring or Sleep Apnea?," Dr. Kenneal Chun discusses the symptoms and treatments of sleep apnea, noon-1 p.m., Third Floor Physicians Lounge, Honolulu Medical Clinic; free. 537-2211, ext. 581.
"Lupus and Loss," George Osakoda of Hospice Hawai'i speaks on chronic illness and the loss of a loved one, 6:30-8 p.m., Liliha Public Library; free. Reservations required: 538-1522.