Heart Smarts Learn how to prevent or reduce the risk of heart disease and other heart-related conditions. Friday, 11 a.m. Suburban Hospital, 8600 Old Georgetown Rd., Bethesda. 301-896-3939. Free, registration required.

Computers and health discussion “Your Mac, Your iPhone and Your Health.” A meeting of WAP Mac User Group. Saturday, 9:30 a.m.-12:30 p.m. Cedar Lane Unitarian Universalist Church, 9601 Cedar Lane, Bethesda. 301-984-0300. yankee719@me.com. Free.

Adventist HealthCare Walking Club Meets in the food court. Tuesday, 8 a.m. Westfield Montgomery shopping mall, 7101 Democracy Blvd., Bethesda. 301-315-3030. www.adventisthealthcare.com/health.

“Inner Peace and Healing” Reiki master Afie Lattimer teaches how to do Reiki. Tuesday,10 a.m. Hope Connections for Cancer Support, Beaumont House at FASEB, 9650 Rockville Pike, Bethesda. 301-493-5002. www.hopeconnectionsforcancer.org. Free.

Stability ball exercise Engages core muscles and improves balance. Tuesday, 11 a.m. Margaret Schweinhaut Senior Center, 1000 Forest Glen Rd., Silver Spring. 301-896-3939. $30, registration required.

“Zumba on the Plaza Stage” A fitness instructor from Washington Sports Club leads an outdoor class. Tuesday, 7 p.m. Fountain Plaza Stage at Downtown Silver Spring, 916 Ellsworth Dr. 301-203-4184. Free.

HeartWell in Action Nurse Leni Barry teaches how to manage blood pressure and reduce the risk of heart attack and stroke with diet, physical activity and stress management. Sponsored by Suburban Hospital. Wednesday, 10 a.m. Margaret Schweinhaut Senior Center, 1000 Forest Glen Rd., Silver Spring. 240-777-8086. Free.

Medication review A pharmacist from Holy Cross Hospital discusses side effects, doses and drug interactions. Take your medications for review. Wednesday, 10 a.m.-2 p.m. Holy Cross Hospital Senior Source, 8580 Second Ave., Silver Spring. 301-754-8800. Free, registration required.

“Snap, Crackle and Pop: The Older Neck and Shoulder” Ashley Young discusses neck and shoulder pain and noises associated with the movement and arthritis. Sponsored by Forever Fit Physical Therapy and Wellness of Burtonsville. Wednesday, 10:30 a.m. Margaret Schweinhaut Senior Center, 1000 Forest Glen Rd., Silver Spring. 240-777-8086. Free.

“Comedy for a Cause” This benefit for Hospice Caring features a comedy show with host Irwin Loring, headliner Big Al Goodwin, and Timmy Hallan, a silent auction and more. Doors open Wednesday, 5 p.m.; show starts 6:30 p.m. Golden Bull Grand Cafe, 7 Dalamar St., Gaithersburg. 301-990-8903. jamiep@hospicecaring.org. Show, $20; plus the cost of menu items.

Square dancing and lessons New dancers welcome; come in casual dress. Wednesday, 7 p.m. North Chevy Chase Christian Church, 8814 Kensington Pkwy., Chevy Chase. 301-587-5861. www.gerrymanders.net. $6.

— Compiled by Lisa M. Bolton

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