Thursday 30 BLOOD PRESSURE SCREENINGS, seniors, 10 a.m.-1 p.m., Carver Community Center, 1415 S. Queen St., Arlington. Free. 703-228-5700.

ARLINGTON WALKING STICKS, senior club's slower-paced walk. Travel by van and walk at Barcroft Park. Meet at 10 a.m., Culpepper Garden Senior Center, 4435 N. Pershing Dr., Arlington. Free; registration required. 703-228-4403.

AMERICAN CANCER SOCIETY, "Daffodil Days" campaign to benefit research programs, public education, advocacy and patient services. Orders accepted through Feb. 21. $6, 10 fresh daffodils; $8.50, potted bulbs. 703-938-5550.

Friday 31 LEE WALKERS, senior group travels to Franciscan Monastery in Northeast Washington and walks. Meet at 10 a.m., Lee Senior Center, 5722 Lee Hwy., Arlington. $2.50; registration required. 703-228-0555.

EYE DISEASES, seniors, local optometrist discusses eye diseases and latest treatments, 10:30 a.m., Aurora Hills Senior Center, 735 S. 18th St., Arlington. Free; registration required. 703-228-5722.

Monday 3 SEXUAL ASSAULT SURVIVORS, 10-week support group for adult survivors of childhood sexual assault, sponsored by Alexandria Office on Women's Sexual Assault Response and Awareness (SARA) Program, 6:30-8 p.m., 421 King St., Suite 400, Alexandria. Free; registration required. 703-838-5030.

Tuesday 4 BEGINNING TAI CHI, seniors, eight-week class, 11 a.m., Madison Senior Center, 3829 N. Stafford St., Arlington. $32; registration required. 703-228-5285.

RAPE AGGRESSION DEFENSE, women, four-week course on safety and self-defense, 6:30-9:30 p.m., Alexandria Police Department, 2003 Mill Rd., Alexandria. Free; registration required. 703-838-5030 or www.alexwomen.com.

Wednesday 5 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 from Maine Avenue to Theodore Roosevelt Island. Meet at 9:30 a.m., Culpepper Garden Senior Center, 4435 N. Pershing Dr., Arlington. $2.50; registration required. 703-228-4403.

CYSTIC FIBROSIS BENEFIT, 13th annual Capital One Stair Climb, individual and team competitions up 30 flights of stairs, registration, 6 p.m.; competition, 6:30 p.m., 1000 Wilson Blvd., Arlington. $50. 301-657-8444, Ext. 14 or http://stairclimb.glowingtoad.com.

-- Sarah Lane