BLOOD PRESSURE SCREENINGS, seniors, 10 a.m.-1 p.m., Carver Community Center, 1415 S. Queen St., Arlington. Free. 703-228-5700.
INOVA BLOOD DONOR SERVICES, for information on donating blood or holding a blood drive, call 866-256-6372 or visit www.inova.org/donateblood.
ARLINGTON CANCER SUPPORT, "We Can Cope," meet other people with cancer and their families, share ideas, solve problems and receive emotional support, facilitated by a cancer survivor, 7:30-9 p.m. first and third Thursdays, Virginia Hospital Center-Arlington, Cancer Resource Center, 1701 N. George Mason Dr., Arlington. Free. 703-558-5555.
LYMPHEDEMA AWARENESS, Christine Sweigart, certified lymphedema therapist, discusses causes and treatment of lymphedema, 7-8 p.m., Virginia Hospital Center-Arlington, John T. Hazel Conference Center, 1701 N. George Mason Dr., Arlington. Free; registration required. 703-558-0911 or 703-558-5555.
LEE WALKERS, senior group travels to the Buttermilk Creek Trail in Reston and walks. Meet at 10 a.m., Lee Senior Center, 5722 Lee Hwy., Arlington. $2.50; registration required. 703-228-0555.
TAI CHI, seniors, 11:30 a.m., Culpepper Garden Senior Center, 4435 N. Pershing Dr., Arlington. $13 for six classes; registration required. 703-228-4403.
ALZHEIMER'S ASSOCIATION CAREGIVER SUPPORT, families meet other caregivers and share experiences and caregiving tips, facilitated by trained group leaders, sponsored by Alzheimer's Association, National Capital Area. 7 p.m. second and fourth Mondays, Brighton Gardens assisted living facility, 3821 Wilson Blvd., Arlington. For information, call 866-259-0042.
PARKINSON'S DISEASE SUPPORT, patients and family members, 2-3 p.m. second Tuesdays, Calvary United Methodist Church, 2315 S. Grant St., Arlington. For information, call 703-891-0821.
EMOTIONS ANONYMOUS, support group, 7:30-8:30 p.m. Wednesdays, Mount Vernon Presbyterian Church, 2001 Sherwood Hall Lane, Christian education building, Alexandria. Free. 202-364-9448 or www.emotionsanonymous.org.
WALKING CLUB OF ARLINGTON, senior group travels by van and walks along the Anacostia River Trail. Meet at 9:30 a.m., Culpepper Garden Senior Center, 4435 N. Pershing Dr., Arlington. $2.50; registration required. 703-228-4403.
-- Sarah Lane