The free offer, based on the idea that a mammogram can detect a lump the size of a grain of rice, is also open to women who have had a mammogram within the past two years. Women must visit an American Cancer Society office any Wednesday in October and learn how to do a breast self-exam.

Castle Medical Center has a 20-percent discount on mammograms. St. Francis provides free mammograms Oct. 21 through 25 to women over 40 who have not had a mammogram within the past two years; for an appointment, call 547-6410. Rice has been donated by Diamond G and Safeway.

Free screenings for depression: Learn how to detect depression and participate in screenings at noon and 6 p.m. tomorrow in Kamehameha Lounge, Queen's Medical Center. Symptoms of depression include a change in appetite or weight, disruption of normal sleep patterns, fatigue and difficulty concentrating. Call 537-7469.

Heartsaver CPR: 4 to 6 p.m. tomorrow, St. Francis Medical Center. Costs $15. Call 547-6410.

CPR class: 6 to 10 p.m. tomorrow, Queen's Medical Center. Costs $25. Call 537-7117.

"Our Losses and Griefs": Two-part workshop, 7 to 9 p.m. tomorrow and Oct. 17, Samaritan Counseling Center, 1403 California Ave., Wahiawa. Costs $20. Call 545-2740.

Safe Keiki Care: St. Francis Medical Center-West has a First Aid class 8 a.m. to noon Saturday. Costs $10. Call 678-7262.

Vegetarian Society: Dr. William Harris, author of "The Scientific Basis of Vegetarianism," will talk about errors in nutritional advice,

7 p.m. Monday, Ala Wai Golf Course clubhouse. Free. Call 395-1499.

55 Alive/Mature Driving: Reserve by Oct. 16 for a refresher course for drivers 50 and older, 1 to 5 p.m. Oct. 19 and 26, St. Francis Medical Center. Costs $8. Call 547-6410.

I Can Cope cancer class: Reserve by Oct. 17 for a class on understanding cancer and treatment, stress management, using resources and more, 6 to 8:30 p.m. Oct. 22 and 29, St. Francis Medical Center. Free. Call 547-6410.

Baby massage and exercise: 9 a.m. Saturdays, Oct. 19 through Nov. 16, Queen's Medical Center. Costs $40. Call 537-7117.

Open house and health fair: Grand opening of Keala Ola, a rehabilitation department, 1 to 3 p.m. Oct. 24, Hale Nani Rehabilitation and Nursing Center, 1677 Pensacola St. Call 537-3371.

Brain injury conference: Head injury and reintegration issues, Oct. 25 and 26, Ala Moana Hotel. Costs $50 general, $60 professionals. Call Ken Rice at 941-0372 or 423-7488. Sponsored by the Pacific Head Injury Association and Rehabilitation Hospital of the Pacific.

First Aid class: How to care for cuts, scrapes, burns and other injuries, 8 a.m. to 1 p.m. Oct. 26, Queen's Medical Center. Costs $25. Call 537-7117.

Walk West: Free fitness program presented by St. Francis-West and the American Heart Association, 7:30 a.m. Saturdays at West Loch Shoreline Park. Call 678-7262.

Patient care research project: National Cancer Institute and Pacific Health Research Institute are studying whether screening people for cancer of the prostate, lung, colon or

ovaries will reduce the number of deaths from these cancers each year. Volunteers ages 60 to 74 can call 545-3006.

Free diabetes screening: People under 45 who have a relative with Type 1 diabetes are eligible for a free screening, part of a six-year study sponsored by the National Institute of Health. Your blood will be tested for antibodies linked with an elevated risk for developing diabetes. People found to be at risk may participate in the Diabetes Prevention Trial, which explores whether diabetes can be delayed or prevented. Call 531-6886.

Research on women's health: Women ages 50 through 79 needed for the Women's Health Initiative, a long-term study sponsored by the National Institute of Health. WHI looks into the prevention of heart disease, cancer and bone fracture, and the value of hormone treatment and calcium and vitamin D supplements. Women must be in good health, past menopause, and expect to live on Oahu for the next three years. Call Women's Health Hawaii at 547-9814.

Parkinson's Disease: Straub Foundation seeks patients who have not had levodopa therapy for clinical research. Call 522-4231 or 522-3440.

Yoga for diabetics: Bikram's Yoga College offers a month of free lessons for diabetics who participate in a study of the effects of yoga. Participants must commit to four or five days a week. Call 737-5519. Hatha yoga lessons are $10, or $80 for 10.

For help with other health, social or personal concerns, call ASK-2000 at 275-2000. Hours are 8 a.m. to 6 p.m. Monday through Friday. A counselor will refer you to the appropriate agency.