BIPOLAR SUPPORT GROUP, 6:30 p.m., Laurel Regional Hospital, 7300 Van Dusen Rd., Laurel. Free. 301-490-7140.
BOWIE ALS SUPPORT GROUP, for amyotrophic lateral sclerosis patients, family members and friends, sponsored by the ALS Association. 7-9 p.m., Grace Baptist Church, 7210 Race Track Rd., Bowie. Free. 301-978-9855 or www.ALSinfo.org.
SENIOR EXERCISE, for people 60 and older, use of a fitness center and a swimming pool. 8 a.m.-noon Fridays, Mondays and Wednesdays, Prince George's Sports & Learning Complex, 8001 Sheriff Rd., Landover. Free; nonresidents of Prince George's and Montgomery counties, $8. Pool only for nonresidents, $5. 301-583-2400.
SENIOR EXERCISE, for people 60 and older, chair exercises and strength training. 10 a.m. Fridays and Mondays, Langley Park Senior Center, 1500 Merrimac Dr., Langley Park. Free. 301-408-4343.
WEIGHT MANAGEMENT SUPPORT, for people 55 and older. 10:30 a.m., Bowie Senior Center, 14900 Health Center Dr., Bowie. Free. 301-809-2300 or www.bowieseniorcenter.org.
LAUREL AL-ANON MEETING, support for friends and families of alcoholics. 7 p.m., Laurel Regional Hospital, 7300 Van Dusen Rd., Laurel. Free. 301-490-7140.
HEALTH FAIR AND FESTIVAL, cholesterol, glucose, blood pressure and body fat screenings; health professionals; games and refreshments. 11 a.m.-3 p.m., Doctors Community Hospital, 8118 Good Luck Rd., Lanham. Free. 301-552-8060.
ALCOHOLICS ANONYMOUS. 7 p.m., Laurel Regional Hospital, 7300 Van Dusen Rd., Laurel. Free. 301-497-7914.
CLINTON BLOOD DRIVE, sponsored by the American Red Cross. 9 a.m.-3 p.m., Southern Maryland Hospital Center, Library, 7503 Surratts Rd., Clinton. Registration required. 301-877-5700.
LAUREL NAR-ANON MEETING, for friends and relatives of substance abusers. 7 p.m., Laurel Regional Hospital, 7300 Van Dusen Rd., Laurel. Free. 301-497-7914.
BOWIE NARCOTICS ANONYMOUS. 8 p.m., Belair Baptist Church, 2801 Belair Dr., Bowie. Free. 301-249-8088.
PARKINSON'S DISEASE SUPPORT GROUP. 10:30 a.m., Laurel Regional Hospital, 7300 Van Dusen Rd., Laurel. Free; registration required. 301-497-7914.
TAKE OFF POUNDS SENSIBLY, weight loss support for people 60 and older. Weigh-in, 12:30 p.m.; meeting, 12:45 p.m. Langley Park Senior Center, 1500 Merrimac Dr., Langley Park. Annual fee, $20. 301-408-4343.
BREAST CANCER SUPPORT, sponsored by Prince George's Hospital Center. 6 p.m. first and third Tuesdays of each month, 1701 McCormick Dr., Landover. Free. 301-883-3525.
BREAST CANCER SUPPORT, discussion led by a women's health specialist. 7-9 p.m. Doctors Community Hospital, Medical Office Building, Room 417, 8118 Good Luck Rd., Lanham. Free. 301-552-8209.
AMPUTEES GROUP. 6 p.m. Aug. 18 and the third Thursday of each month, Laurel Regional Hospital, 7300 Van Dusen Rd., Laurel. Free. 301-497-7901.
BLOOD PRESSURE CHECKS, sponsored by the Prince George's County Fire and Emergency Medical Services Department. 10 a.m.-1 p.m. Aug. 20 and third Saturday of each month, at selected Prince George's County Fire/EMS Stations. Free. Call your location station, or 301-583-2200.
-- Compiled by LISA MARTIN