Senior Day Fair, health screenings, exhibitors, informational seminars, door prizes and refreshments, 9 a.m.-1 p.m. today, Hawai'i Convention Center; free for ages 55 and over. 544-0685.

Asthma Humanitarian Event 2006, grandmaster Hong Liu presents natural healing approaches to combat asthma and related health concerns, 12:30 p.m. today, Qi Center, 1110 University Ave.; free. Registration: 947-1333.

Memory Enhancement Using Mental and Breath Power, practice of breathing exercises for clarity of thought and improving memory, led by Marie Riley for people 55 and older, 9:30-11:30 a.m. tomorrow, Windward Community College, Hale Kuhina 115; new series of four classes: $9. 235-7433.

Bone Marrow Registry Drive, seeking persons of Samoan ancestry to find a match for two Samoan boys who need transplants, as well as others of any ethnicity, 8 a.m.-2 p.m. Saturday, Waialua Health Fair; must be 18 to 60 and in good health; no charge to register. 547-6154, www.stfrancishawaii.org/hawaiibonemarrow.

Chi Kung for Health, two-session class with movements to strengthen energy for improved well-being and mental focus, led by Marie Riley, 10 a.m.-noon Saturday and July 29, Windward Community College, Hale Kuhina 115; $30. 235-7433.

"Parkinson's Disease and Essential Tremor," Dr. Leo Maher and Dr. Leon Liem discuss symptoms of Parkinson's, non-medical therapies and new recommendations, 6 p.m. Wednesday, The Queen's Conference Center auditorium at Beretania and Punchbowl streets; free. Reservation required: 537-7117.

Qigong of Tai Chi and Pa Kua, two-meeting class with Robert Fong on Yang-style Tai Chi Chuan's healing aspects with attention to cultivating energy for students of all abilities, 7:30-9:30 p.m. Wednesday and July 27, UH-Manoa Physical Education Complex 245, studio 3; $55. Register for course S08469: 956-8400, www.outreach.hawaii.edu/noncredit.

An Evening with Kauila Clark, discussion of traditional Hawaiian health practices and the principles of aloha, 6:30-8:30 p.m. July 27, Halekulani hotel, part of the Halekulani Living series; $50 includes wine, pupu and spa gift certificate. Reservations: 931-5010.

ONGOING

Open Meditation, learn how meditation can support well-being of mind, body and spirit, 9-11 a.m. Sundays, Kailua Shambhala Meditation Center; also, meditation for beginners, 6:30-8 p.m. Tuesdays and for all levels, 6:30-8 p.m. Thursdays, free. 262-8352, www.ksbcenter.org.

Salsarobics Workout, Minnie Ruiz leads a low-impact exercise class using New York-style Latin music, 10-11 a.m. Sundays, Aloha Activity Center, 725 Kapi'olani Blvd., studio C101; $10 per week. 387-8064, www.alohaactivitycenter.com.

Butoh movement workshop, exercises to develop sensory and spatial awareness through dance and spoken word, 6:30-8:30 p.m. Sundays, Japanese Cultural Center, Kenshikan Dojo; $30 per month. 387-4861.

Chi Kung Instruction, develop energy for health, intellectual growth and spirituality through group practice led by instructors from Au's Shaolin Arts, 7-8 a.m. Mondays and Wednesdays, Fort Street Mall at Pauahi Street; free. 441-4995.

Luk Tung Kuen Movement Class, low-impact exercise incorporates 36 movements that improve circulation and unblock the body's pressure points, 8-9 a.m. Mondays, Fridays and Saturdays, Kahala Mall center court; free, no registration required.

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

Stroller Strides, workout and play for mothers and 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); also in Kailua and Waipi'o. 371-6904, 783-5701, www.strollerstrides.com.

Sahm Bo Dahn Exercise (Three Treasure Energy Movements), exercise adapted from Asian disciplines to develop range of motion and muscle tone and the flow of ki, given by Wallace and Sue Yamashima, Mondays, Tuesdays, Thursdays and Fridays at various O'ahu locations; free. Registration and locations: 239-7064.

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

"Rejuvenate!," adaptive yoga for seniors, with standing, seated and optional floor exercises, intermediate yoga, 10-11 a.m. Mondays; level 1 basic yoga, 10-11 Fridays, Pohai Nani, Kane'ohe; $3 per class. 247-6211.

Tai Chi For Arthritis, sponsored by Arthritis Foundation, 3-4 and 6-7 p.m. Mondays and Wednesdays, Tenrikyo Honolulu Ko, 349 N. Judd St. Call for class fees and registration: 596-2900.

Group Exercise, Greg Juliano leads others in the use of light free-weights and resistance bands to provide a total body workout, 5:30-6:30 p.m. Mondays and Fridays, Farrington High School cafeteria; free, bring your own equipment. 544-4858.

Body Works Hawaii classes in low-impact aerobics, Pilates, Latin- and '50s-music workouts, and cardio kickboxing, 6-6:45 p.m. Mondays and Thursdays, Kuhio Elementary School cafeteria; $1 per class. 735-5755, 377-5132.

Yang Tai Chi and Karate Classes, Mondays, Wednesdays and Thursdays, Higashi Hongwanji Mission; $38 per month with access to 25 classes. For registration packet: 220-4506.

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 593-2610; Kailua office: 262-1118; www.ohanapacificrehab.com.

Senior Safe Walk, mall-walk program for improved balance, breathing and joint protection, 7-8 a.m. Tuesdays and Thursdays, Kahala Mall; free. Register: 739-0140.

Aerobic Dance Class, by Anne Noyes, for all ages, 7:15-8:15 a.m. Tuesdays and Thursdays, Holy Nativity Community Center, 5286 Kalaniana'ole Highway; $4. 941-0390.

Morning Rhythm Meditation, claps and voices with step rhythms bring relaxation and energy, 7:30-8:30 a.m. Tuesdays, Manoa Dance Studio at Manoa Marketplace; sliding scale $5-$15. 521-3746.

"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, registration: 396-6715.

Aikido Classes, with the Aikido Ohana, children 3:30-5 p.m. and adults 5:15-6:15 p.m. Tuesdays and Fridays, Higashi Hongwanji Mission, 1685 'Alaneo St.; $20 per month for three classes per week, family and children's discounts available. 221-8656, www.aikidoohana.org.

Qi Gong Classes, improve health of the body and mind through exercise, meditation and teachings from ancient Chinese practices, sponsored by Falun Gong, 6:30 p.m. Tuesdays and Thursdays, Ala Wai Park, 480 University Ave.; free. 943-6664.

Luk Tung Kuen, participate in calisthenics with members of the Hawai'i branch of Luk Tung Kuen Worldwide Association, 8-9 a.m. Wednesdays, Hawaii Kai Towne Center stage; free. 521-3826.

Tai Chi, 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.

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

Chi-lel Qigong, open group practice with Ginny Walden of Blue Sky Healing Arts, 8-9 a.m. Thursdays, Kapahulu Center; $5. 944-8327.

Goddess Dance Bellydance and Yoga Fitness for Women, combination of belly dance, salsa and yoga with a Pilates cool-down, 5:30-7 p.m. Thursdays, Moiliili Community Center; $12 per class. 255-9839.

Qi Gong for Health, 12 sitting exercises to keep the body flexible, strengthen the immune system and promote good health, 9:30-10:30 a.m. Fridays, Qi Center, 1110 University Ave.; $40 general, free to seniors, 65 and older. Registration required: 947-1333.

"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 7:30-9 p.m. Saturdays, 1007 Waimanu St., second floor; monthly fees are $15 children, $25 adults; discounts available for families. 487-6080.

Gentle Yoga, practice stretching to relax the mind and strengthen the body led by Jade Young, 10 a.m. Saturdays, Unity Church Diamond Head; $10 donation. 734-5548.

Swim Classes, one-hour classes for beginning adult and intermediate adult swimmers, as well as those who are water-challenged, led by J.J. Kobelansky, beginners 9:30 a.m. Saturdays, intermediate 10:45 a.m Saturdays, bring towel or beach mat and goggles; $10 per class. Call each week to learn class location: 373-3839. Private lessons available.

"Mindfulness Meditation," develop inner peace and reduce stress through insight meditation, 4-6 p.m. Saturdays, Broken Ridge Korean (Buddhist) Temple, Palolo Valley; free. 395-7749.

Baby Boot Camp, strength-training for moms with stroller-age babies, classes at Magic Island, Aloha Tower Marketplace, Kahala Mall, Central O'ahu Regional Park, Mililani and Kapolei; first class is free, subsequent classes $12 each, discounts available for longer commitments. Schedule and locations: 754-6169, www.babybootcamp.com.

East West Qigong International holds qigong classes Mondays, Wednesdays, Saturdays, and Sundays at various times and locations. For schedule, costs and details: 941-9707, www.eastwestqigong.org.

Fit for a Goddess, women-only classes using a dance pole for increased strength and flexibility, ongoing at various times and days, in Kailua and Kaimuki; $15 introductory class, $140 for eight-week session. Complete schedule: www.fit4agoddesshi.com, 262-6979.

Jasmine Yoga Classes, all level open classes daily, Monday-Saturday, Weinberg Community Center, Waialua; $11 per class or discount card available. Complete schedule: www.jasmineyoga.com, 561-9639.

Stott Pilates Training, mat and equipment classes taught by Kelly Cavanaugh, ongoing daily classes, Pilates Training Center, Kailua; $15 for mat classes, $23 for equipment classes. Registration and complete schedule: www.pilatestrainingcenterhawaii.com, 261-9519.

Castle Medical Center's Wellness Center offers a variety of fitness classes 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.

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

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.