LAUREL BIPOLAR SUPPORT GROUP, 6:30 p.m., Laurel Regional Hospital, 7300 Van Dusen Rd., Laurel. Free. 301-490-7140.
SENIOR EXERCISE AND SWIMMING, for ages 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 or www.pgsportsandlearn.com.
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.
ALCOHOLICS ANONYMOUS. 7 p.m., Laurel Regional Hospital, 7300 Van Dusen Rd., Laurel. Free. 301-497-7914.
ARTHRITIS EXERCISE, for those 55 and older, exercises designed to promote increased range of motion, flexibility and stamina. Participants must be able to walk independently or with an assisting device and be able to transfer to a straight-backed chair. 11-11:45 a.m. Mondays, Camp Springs Senior Center, 6420 Allentown Rd., Camp Springs. $5 per month. 301-449-0490.
BOWIE NARCOTICS ANONYMOUS. 8 p.m., Belair Baptist Church, 2801 Belair Dr., Bowie. 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.
BLOOD PRESSURE SCREENINGS, for ages 60 and older, sponsored by Holy Cross Hospital. 10:45-11:30 a.m. the first Tuesday of each month, Langley Park Senior Center, 1500 Merrimac Dr., Langley Park. Free. 301-408-4343.
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.
AEROBICS, for people 50 and older. 5:45-6:45 p.m. Tuesdays and Thursdays, through Aug. 25. Lake Arbor Community Center, 10100 Lake Arbor Way, Mitchellville. $25; nonresidents of Prince George's and Montgomery counties, $30. Registration required. 301-333-6561.
BREAST CANCER SUPPORT, sponsored by Prince George's Hospital Center. 6 p.m. the first and third Tuesdays of each month, 1701 McCormick Dr., Landover. Free. 301-883-3525.
PROSTATE CANCER SUPPORT GROUP, for cancer survivors and their families. 6:30-8:30 p.m. Aug. 9 and the second Tuesday of each month, Colony South Hotel and Conference Center, 7401 Surratts Rd., Clinton. Free. 301-877-5700.
MENTAL ILLNESS SUPPORT GROUP, for those with mental illness, their friends and families, sponsored by Southern Maryland Hospital Center and the National Alliance for the Mentally Ill, Prince George's County chapter. 6:30-8:30 p.m. Aug. 9 and the second Tuesday of each month, Colony South Hotel and Conference Center, 7401 Surratts Rd., Clinton. Free. 301-877-4456.
CHRONIC PAIN SUPPORT GROUP, bring pillows, mats, ice or hot packs; sponsored by Pain Connection, Chronic Pain Outreach Center. 1:30-3 p.m. Aug. 10, Rexford Place, 9885 Greenbelt Rd., Lanham. Free. 301-309-2444 or www.pain-connection.org.
BOWIE ALS SUPPORT GROUP, for amyotrophic lateral sclerosis patients, family members and friends, sponsored by the ALS Association. 7-9 p.m. Aug. 11, Grace Baptist Church, 7210 Race Track Rd., Bowie. Free. 301-978-9855 or www.ALSinfo.org.
-- Compiled by LISA MARTIN