Outpatient addiction services Group counseling for people with mental health and substance-abuse issues. Montgomery County Adult Behavioral Health Services, 981 Rollins Ave., Rockville. Call 240-777-1680 or visit www.montgomerycountymd.gov/hhs for details.
“Ride the Riverside” bicycling fundraiser Registration is open for the June 8-9 bike ride to benefit the National MS Society. Routes are 30 miles to more than 100 miles over one or two days. Visit www.bikemsdc.org for details and registration information.
Water aerobics Core-strength exercises led by Anne LeVeque. Friday at 7 a.m.; Monday and Wednesday at 7 p.m. Piney Branch Elementary School, 7510 Maple Ave., Takoma Park. email@example.com. 301-891-8000. www.acsgw.org. $8 per session.
Line-dancing classes For fun and fitness, Saturdays and Mondays at 10:30 a.m. Margaret Schweinhaut Senior Center, 1000 Forest Glen Rd., Silver Spring. 240-777-8086. Free.
Basic first aid and CPR A two-day course on responding effectively in emergencies, including adult CPR and treatment of cuts, burns and broken bones. Monday and Tuesday, 6-10 p.m. Suburban Hospital, 8600 Old Georgetown Rd., Bethesda. 301-896-3100. $85. Registration required.
Adventist HealthCare Walking Club Tuesdays at 8 a.m. Westfield Montgomery Shopping Mall, 7101 Democracy Blvd., Bethesda. 301-469-6000.
Jazzmatazz Aerobics Light classes For age 16 and older, low-impact aerobic dancing and floor exercises to improve strength, endurance and flexibility. Tuesdays at 9:30 a.m., Bauer Drive Community Center, 14625 Bauer Dr., Rockville. 301-468-4015. www.montgomerycountymd.gov. $63. Registration required.
Inner peace and healing class For anyone affected by cancer, a discussion and exercises led by Afie Lattimer, a Reiki master. Tuesdays at 10 a.m. Hope Connections for Cancer Support, 5430 Grosvenor Lane, Bethesda. 301-493-5002.
Pilates for seniors Six sessions focused on gentle movements to help strengthen the core, lengthen the spine and build muscle tone. Tuesdays at 11:15 a.m. Bethesda-Chevy Chase Regional Services Center, 4805 Edgemoor Lane, Bethesda. 301-896-3939. www.suburbanhospital.org. $60. Registration required.
“Tired of Counting Sheep?” A presentation by Donna M. Gonella of the Sleep Disorders Centers. Wednesday, 1-2 p.m. Friendship Heights Village Center, 4433 S. Park Ave., Chevy Chase. 301-656-2797. www.friendshipheightsmd.gov. Free. Registration required.
Low-vision services workshop A presentation by Sharon Salus, a Washington Ear volunteer, on services available to help the visually impaired. Wednesday at 1:15 p.m. Holiday Park Multiservice Senior Center, 3950 Ferrara Dr., Wheaton. 240-777-4999. Free.
— Compiled by Lisa M. Bolton
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