Overeaters Anonymous Meditation and Writing meeting Thursday, 7 a.m. St. Benedict Monastery, 9535 Linton Hall Rd., Bristow. 703-361-0106. 703-754-9237. www.oanova.org. Free.

Mental health and substance abuse Dual Diagnosis support group. Thursday, 6-7:30 p.m. Trillium Drop-In Center, 13184 Centerpointe Way, Woodbridge. 703-763-3865. www.trilliumdropincenter.org. Free.

Weight-loss surgery support group for people who have had surgery or are considering having it. Thursday, 6:30-8 p.m. Sentara Northern Virginia Medical Center, 2300 Opitz Blvd., Woodbridge. 571-277-7976. 703-670-1236. www.sentara.com/northern-virginia. Free.

Alzheimer’s caregivers support group sponsored by the Alzheimer’s Association of the National Capital Area. Friday, 9:30 a.m. St. Thomas United Methodist Church, 8899 Sudley Rd., Manassas. 703-361-8841. Free.

Overeaters Anonymous Big Book meeting Friday, 10:30 a.m. Bethel Lutheran Church, 8712 Plantation Lane, Manassas. 571-445-3287. www.oa.org. Free.

Mental health support group Friday, Tuesday and Wednesday, 8-9:30 p.m. Trillium Drop-In Center, 13184 Centerpointe Way, Woodbridge. 703-763-3865. www.trilliumdropincenter.org. Free.

Fit for Christ “boot camp” The 75-minute class begins with a prayer and warm-up followed by a workout with weights. Saturday, 8 a.m. First Baptist Church of Woodbridge, 13600 Minnieville Rd., Woodbridge. 571-437-8641. www.fitforchrist.us. $10; children 9-15 free, with an adult.

Anxiety support group Saturday, 10 a.m.-noon. Cokesbury United Methodist Church, 14806 Blackburn Rd., Woodbridge. 703-441-0840. 703-494-5400.

Overeaters Anonymous/HOW Monday, 7 p.m. Bethel Lutheran Church, 8712 Plantation Lane, Manassas. 703-823-6682. info@oanova.org. www.oanova.org.

Overeaters Anonymous sunrise meeting Tuesday, 7 a.m. St. Benedict Monastery, 9535 Linton Hall Rd., Bristow. 202-437-5070. www.oanova.org. Free.

Manassas cancer support group for patients, survivors and their families. Tuesday, 7 p.m. Prince William Hospital, Medical Building 1, fourth floor, Conference Room C, 8700 Sudley Rd., Manassas. 703-895-4857.

Gainesville I Can Cope cancer group support sponsored by the American Cancer Society and the Cancer Center. Wednesday, 10 a.m. Cancer Center at Lake Manassas, 7901 Lake Manassas Dr., Gainesville. 703-895-4857. Free.

Children’s sight and hearing screenings For children 6 months to 12 years. Sponsored by the Lions Club of Woodbridge. Wednesday, 10:30 a.m. Chinn Park Regional Library, 13065 Chinn Park Dr., Woodbridge. 703-792-4800. Free, registration required.

Tai chi for seniors Wednesday, 10:30 a.m. Woodbridge Senior Center, 13850 Church Hill Dr., Woodbridge. 703-792-5081. Free.

Weight-loss support group Wednesday, 11 a.m. Spirit and Life United Methodist Church, 4223 Dale Blvd., Woodbridge. 703-878-7779 or 571-277-7976. Free.

— Compiled by Sarah Lane

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