Al-Anon Family Group 8 p.m., Haymarket Baptist Church, parish hall, 14800 Washington St., Haymarket.703-969-2726.
Al-Anon Family Group 7 p.m., St. Paul United Methodist Church, 1400 G St., Woodbridge.703-534-4357.
Overeaters Anonymous sunrise meeting 7 a.m., St. Benedict Monastery, 9535 Linton Hall Rd., Bristow. Free. 202-437-5070 or www.oanova.org.
Alzheimer’s Association support group facilitated by a trained group leader. 7 p.m., Potomac Place, 2133 Montgomery Ave., Woodbridge. Free, registration required. 800-272-3900 or www.alz.org/nca.
Cancer support group for patients, survivors and their families. 7 p.m., Novant Health Prince William Medical Center, Medical Building 1, fourth floor, Conference Room C, 8700 Sudley Rd., Manassas.703-895-4857.
I Can Cope cancer support group sponsored by the American Cancer Society and the Cancer Center. 10 a.m., Cancer Center at Lake Manassas, 7901 Lake Manassas Dr., Gainesville. Free. 703-895-4857.
Weight loss support group 11 a.m., Spirit and Life United Methodist Church, 4223 Dale Blvd., Woodbridge. Free. 703-878-7779.
Overeaters Anonymous Meditation and Writing meeting 7 a.m., St. Benedict Monastery, 9535 Linton Hall Rd., Bristow. Free. 703-361-0106 or 703-754-9237 or www.oanova.org.
Preoperative total joint education session physical therapists, surgical nurses and care coordinators help patients and prospective patients prepare for surgery. 9 a.m., Sentara Northern Virginia Medical Center, 2300 Opitz Blvd., Woodbridge. Free, registration required. 703-670-1236.
Men’s cancer support class 4:30 p.m., Cancer Center at Lake Manassas, 7901 Lake Manassas Dr., Gainesville. Free. 703-895-4857.
Celebrate Recovery meeting a 12-step Christ-centered recovery program for those with hurts, habits and hangups. 6 p.m., Park Valley Church, 4500 Waverly Farm Dr., Haymarket. Free. 571-261-2136.
Surviving After Suicide support group a confidential group for family members and friends who have lost a loved one to suicide. Call for location. Second and fourth Thursdays 7:30 p.m., Free. 703-368-4141.
Families Anonymous a 12-step program for adults with family members with substance-abuse problems. 8 p.m., Bull Run Unitarian Universalist Church, 9350 Main St., Manassas.703-928-9385 or www.familiesanonymousva.com.
Alzheimer’s Association support group facilitated by a trained group leader. 11 a.m., Westminster at Lake Ridge, 12191 Clipper Dr., Lake Ridge. Free, registration required. 800-272-3900 or www.alz.org/nca.
Alcoholics Anonymous 8:30 p.m., Concordia Lutheran Church, 3637 Graham Park Rd., Triangle.703-293-9753.
Red Cross blood drive 8 a.m.-1:30 p.m., Gainesville United Methodist Church, 13710 Milestone Ct., Gainesville. Appointments welcome. 800-733-2767 or www.redcrossblood.org/make-donation.
Anxiety support group Recovery Inc., for people who have anxiety, depression, fear or other emotional problems. 10 a.m.-noon, Cokesbury United Methodist Church, 14806 Blackburn Rd., Woodbridge.703-441-0840.