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 group promotes recovery through peer support. Thursday, 6-7:30 p.m. Trillium Drop-In Center, 13184 Centerpointe Way, Woodbridge. 703-763-3865. www.trilliumdropincenter.org. Free.

Women’s cancer support class Thursday, 6 p.m. Cancer Center at Lake Manassas, 7901 Lake Manassas Dr., Gainesville. 703-895-4857. Free.

Diabetes support group insulin pumps. Thursday, 6:30 p.m. Novant Health Prince William Wellness Center, Suite 108, 8640 Sudley Rd., Manassas. 703-369-8405, Ext. 2. Free.

Parenting class Systematic Training for Effective Parenting, a six-week class for parents of younger children. Thursdays, 7-9 p.m. Mondays, 7-9 p.m. Dr. A.J. Ferlazzo Building, 15941 Donald Curtis Dr., Woodbridge. 703-792-6288. $40; registration required.

Dementia caregivers support group for various dementias and related disorders, sponsored by the Alzheimer’s Association of the National Capital Area. Thursday, 7:30 p.m. Caton Merchant House, 9201 Portner Ave., Manassas. 703-361-8841.

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 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; ages 9-15, free with an adult.

Anxiety support group Recovery Inc., for people who have anxiety, depression, fear or other emotional problems. Saturday, 10 a.m.-noon. Cokesbury United Methodist Church, 14806 Blackburn Rd., Woodbridge. 703-441-0840. 703-494-5400.

Loss of Spouse grief support group for people who have lost their spouse within the last two years. Sunday, 2-4 p.m. McCoart Administration Building, 1 County Complex Ct., Woodbridge. 703-396-6198. Free.

Line dancing class the Happy Hoofers teach basic line dancing techniques. Monday, 11 a.m. Prince William Senior Center, 9320 Mosby St., Manassas. 703-792-6405. Free.

Early childhood sight and hearing screenings the Lions Club of Woodbridge will screen children 6 months to 12 years. Tuesday, 10 a.m.-noon. Potomac Community Library, 2201 Opitz Blvd., Woodbridge. 703-494-8126. Free, registration required.

Cardiac disease support group Tuesday, 7-8:30 p.m. Sentara Northern Virginia Medical Center, 2300 Opitz Blvd., Woodbridge. 703-670-1877. www.sentara.com/northern-virginia. Free.

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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