World AIDS Day 2005, showing of the film "A Closer Walk," pizza dinner, and panel discussion, 4 p.m. today, UH John A. Burns School of Medicine's third-floor auditorium, Kaka'ako; free.

Bone Marrow Drive, register to be a bone marrow donor, 9 a.m.-2:30 p.m. Saturday, at the Season's Best Kaimuki Crafts and Gifts Fair, Ali'iolani School (at 6th and Wai'alae avenues), booths 19 and 20. You must be between the ages of 18 and 60. www.sfhs-hi.org.

Exercise & Aging, lecture by Kevin Lockette, PT, part of "Lunch & Learn" Wellness lecture series, includes light pupu lunch, 12:15-1:15 p.m., Wednesday, Windward YMCA; free. Register: 261-0808.

ONGOING

Freedom from Pain, series of classes with Brett A. Sloan on how to reduce pain from inflammation and injury through nutrition, 6 p.m. Fridays, Airport Center Chiropractic Clinic; free. 834-8662.

Masakatsu Ki-Aikido Dojo, instruction for children (5 and older) and adults, 8:30-10 a.m. and 7-9 p.m. Saturdays, 1007 Waimanu St., second floor; monthly fees are $15 children, $25 adults; discounts available for families. 487-6080.

JJ's Swim & Fitness Clinic, lessons for beginners and physically challenged, 10 a.m. Saturdays, Magic Island lagoon; $7 per class; bring suit, towel and goggles. Call to verify class location each week: 373-3839.

Introduction to Transcendental Meditation, learn how to reduce blood pressure and stress, 1:30 and 7:30 p.m. Wednesdays. For registration and location: 947-2266, www.tm.org.

Mindfulness Meditation, develop inner peace, emotional awareness and stability and reduce stress through insight meditation, 4 p.m. Saturdays, Broken Ridge Korean (Buddhist) Temple, Palolo Valley; free. 395-7749.

Aikido classes, with The Aikido Ohana and instructor Alan Nagahisa, 8-9:30 a.m. Sundays, 6:30-8 p.m. Tuesdays and Fridays, Higashi Hongwanji Mission, 1685 'Alaneo St.; $20 per month for three classes per week. 221-8656, www.aikidoohana.org.

Butoh movement workshop, exercises to develop sensory and spatial awareness through dance and spoken word, 3-5 p.m. Sundays, Japanese Cultural Center, Kenshikan Dojo; $30 per month. 387-4861.

Balance and Fall Awareness, balance testing and fall risk screening, Mondays-Fridays, The Balance Center of the Pacific, 600 Kapi'olani Blvd., Suite 404; free. For appointment: 955-8339.

Balance and fall prevention screenings, Mondays-Fridays, Ohana Pacific Rehab Services; free. Honolulu office: 591-9420; Kailua office: 262-1118; www.ohanapacificrehab.com.

Stroller Strides, workout and play for mothers and outdoor activities for their babies in strollers, 8:45 a.m. Mondays and Fridays at Kapi'olani Park, and 8:45 a.m. and 5:15 p.m. Wednesdays at Magic Island; $10 per class (discount for multiple classes); ongoing classes also in Kailua and Waipi'o. 371-6904, 783-5701, www.strollerstrides.com.

Exercise class, led by Paul Bragg, 9-10:30 a.m. Mondays-Saturdays, Fort DeRussy Park; free.

Panther System Hawai'i, consciousness physics for awareness and self-healing, 6 p.m. Mondays, 661 Auahi St., No. 203; $10. Register: 561-2585.

40 Minutes to Health, workshop on maintaining your health naturally, presented by Mark Hoffman, 6:30 p.m. Tuesdays, Island Family Chiropractic; free. 596-0599.

Luk Tung Kuen, participate in calisthenics with members of the Hawai'i branch of Luk Tung Kuen Worldwide Association, 8-9 a.m. Wednesdays, Hawai'i Kai Towne Center stage; free. 941-0440.

Tai Chi For Arthritis, practice with instructor Janet Jin sponsored by Arthritis Foundation, 8:30-10 a.m. Wednesdays and Fridays, Chinatown Cultural Plaza courtyard; $2 donation requested. 596-2900.

Tai Chi For Arthritis, sponsored by Arthritis Foundation, 3, 4:15 and 6 p.m. Mondays and Wednesdays, Tenrikyo Honolulu Ko, 349 N. Judd St. For class fees and registration: 566-7231.

Healing Touch, ongoing meeting for those who want to learn or can benefit from treatments and prayers, 5:30-7 p.m. Wednesdays, Spiritual Life Center, Maile Room, 1020 S. Beretania St.; donations accepted. 523-1170.

Baby Boot Camp, strength training for moms with stroller-age babies, classes held at Aloha Tower Marketplace, Kahala Mall, Waipi'o Gentry, 'Ewa Beach, Mililani and Kapolei; first class is free, subsequent classes $12 each, discounts available for longer commitments. Schedule and locations: 754-6169, www.babybootcamp.com.

Salsarobics for obese kids 5 and older, dance to Latin house music to work out while having fun, Aloha Activity Center, 725 Kapi'olani Boulevard, C101, $10. For schedule: 387-8064.

EyeCare America Seniors Eye Care Program, the Hawai'i Ophthalmological Society encourages seniors 65 and older to check their eligibility for free eye exams from volunteer doctors. Call (800) 222-3937 for eligibility requirements.

Castle Medical Center's Wellness Center offers a variety of fitness classes on an ongoing basis for $35 per month or $90 per quarter. Schedule: 263-5400, www.castlemed.org.

Fitness and exercise classes, various times and days, Kapi'olani Women's Center. Registration and schedule: 535-7000.

Elegant Exercise, yoga and movement for beginners, dancers and runners, taught by Reiko Seno, 7:45-9 a.m. Saturdays, Mondays and Wednesdays, Aloha Activity Center; $15 per class or $50 for four classes. For schedule: 348-4217.

Stott Pilates and Yoga classes, mat and equipment training for all levels offered daily except today, Pilates Training Center of Hawaii, Kailua; $15 to $23 per class with package discounts available. For schedule: 261-9519.

Yoga is for Every Body, class in Kundalini and hatha yoga taught by Amber Ricci, 6-7:15 p.m. Tuesdays in Hawai'i Kai; $10 per class or $45 for five classes. Location and registration: 396-6715.

Yoga Under the Palm Trees, 8-9 .m. Mondays, between the Waikiki Aquarium and the Natatorium; bring a mat or towel; free, donations accepted. 373-8833.

Send announcements, with contact name and phone number, to: Health Calendar, Island Life, The Advertiser, P.O. Box 3110, Honolulu, HI 96802; islandlife@honoluluadvertiser.com, with "Health Cal" in the subject line; or fax 525-8055.