Women’s open volleyball A noncompetitive drop-in event for age 18 and older. Fridays, 11 a.m.-1:30 p.m. City of Bowie Gymnasium, 4100 Northview Dr. $2; gym members, free.

Youth health seminar For ages 10-17, a discussion of ways to get healthy and stay that way. Friday, 7-10 p.m. Bladensburg Community Center, 4500 57th Ave. Bladensburg. 301-277-2124. Free.

Nar-Anon “Addiction Is a Family Disease” support group For families and friends of those struggling with addiction. Saturdays and Sundays at 3 p.m. St. Barnabas Episcopal Church, 5203 St. Barnabas Rd., Temple Hills. www.nar-anon.org. Free.

Mall Walkers program Supervised walks, with blood pressure monitoring; sponsored by Southern Maryland Hospital Center. Weekdays, 8-9:30 a.m. Centre at Forestville, Pennsylvania Avenue and Donnell Drive. 301-877-5700. Free. Register at the mall’s Center Court.

Senior walkers program A daily indoor stroll. Weekdays, 8:30-10 a.m. City of Bowie Gymnasium, 4100 Northview Dr. 301-809-2388. Free.

HIV testing Free oral-swab testing for age 13 and older. Hosted by the Prince George’s Hospital Center Emergency Department. Weekdays, 10 a.m.-10 p.m. Glenridge Medical Center, 7582 Annapolis Rd., Lanham. 301-322-2326 or 301-618-2487. Free.

Mental health support group For family and friends of those affected by mental illness; sponsored by National Alliance on Mental Illness. Monday, 6:30-8:30 p.m. Hyattsville Library, 6532 Adelphi Rd. Thelma Martin, 301-275-3330. seniors_place@yahoo.com. 301-985-4690. Free. Registration required.

Nar-Anon support group A drop-in meeting for those recovering from addiction. Mondays at 7 p.m. Laurel Regional Hospital, 7300 Van Dusen Rd., Laurel. 301-725-4300. www.nar-anon.org.

Parkinson’s support group Tuesday at 10:30 a.m. Laurel Regional Hospital, 7300 Van Dusen Rd., Laurel. 301-497-8746. Free.

Chair aerobics For age 60 and older, a low-impact class. Tuesdays and Thursdays, 10-10:50 a.m. Glenarden Community Center, 8615 McLain Ave. 301-772-3151. $30 for 12 classes.

Senior wellness fair Presentations and discussion on heart and brain health and more. Tuesday at 10:30 a.m. Bowie Senior Center, 14900 Health Center Dr. 301-262-6200. Free.

Flu vaccination clinics Walk-ins welcome; age 17 and younger must be accompanied by guardian. Sponsored by the Prince George’s County Department of Health. Tuesdays, 1:30-3:30 p.m. Leonard Dyer Regional Health Center, Maternal Health and Family Planning Program, 9314 Piscataway Rd., Clinton. 301-883-7802. Wednesdays, 9 a.m.-3 p.m. Cheverly Health Center, Immunization Program office, 3003 Hospital Dr., Cheverly. 301-883-7802.

College Park meditation sessions A weekly meeting to connect mind, body and spirit through meditation. Wednesday, noon-1 p.m. and 5-6 p.m. University of Maryland Health Center, Building 140, Campus Drive, College Park. 301-314-9629. www.health.umd.edu/meditation. Free.

— Compiled by Jillian S. Sowah

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