Al-Anon/Alateen groups For people whose lives have been affected by drinking. 703-534-4357. www.alanonva.com.

Take Off Pounds Sensibly TOPS support group with weekly weigh-ins. 703-430-3764. www.tops.org. $28 to join.

Overeaters Anonymous Thursdays at 7 a.m. St. Benedict Monastery, 9535 Linton Hall Rd., Bristow. 703-361-0106. 703-754-9237. www.oanova.org.

TDAP vaccine clinics Tetanus-diptheria-pertussis vaccine for seniors. Thursday appointments, 9:30-11:30 a.m. Prince William Senior Center, 9320 Mosby St., Manassas. 703-792-5081. Tuesday appointments, 9:30-11:30 a.m. Woodbridge Senior Center, 13850 Church Hill Dr., Woodbridge. 703-792-6405. $2; senior center members, free.

Fit for Christ boot camp A quick-paced workout with weights. Saturdays at 8 a.m. First Baptist Church of Woodbridge, 13600 Minnieville Rd. 571-437-8641. www.fitforchrist.us. $10; ages 9-15, free with a paying adult.

Gainesville blood drive Saturday, 8 a.m.-2 p.m. Gainesville United Methodist Church, 13710 Milestone Ct. 800-733-2767. www.redcrossblood.org. Appointments welcome.

Manassas blood drive Hosted by the Joe 15 Team, in honor of the late Joseph Page. Saturday, 9 a.m.-3 p.m. Manassas Church of the Brethren, 10047 Nokesville Rd. 800-733-2767. www.redcrossblood.org/make-donation. Appointments welcome.

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

Yoga for people with scoliosis A workshop led by Angelika Stadel. Saturday, 1 p.m. The Yoga Connection, 9126 Center St, Manassas. 703-330-7799. www.theyogaconnection.net. $30.

Spousal bereavement support For people who have lost a partner within the past two years. Sunday, 2-3:30 p.m. McCoart Administration Building, One County Complex Ct., Woodbridge. 703-396-6198. Free.

Al-Anon family group Sundays at 8 p.m. Haymarket Baptist Church Parish Hall, 14800 Washington St., Haymarket. 703-969-2726.

Manassas blood drive Monday, 1:30-7:30 p.m. Bethel Lutheran Church, 8712 Plantation Lane, Manassas. 800-733-2767. www.redcrossblood.org. Appointments welcome.

Overeaters Anonymous Mondays at 7 p.m. Bethel Lutheran Church, 8712 Plantation Lane, Manassas. 703-823-6682. www.oanova.org.

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

Cancer support group Tuesdays at 7 p.m. Prince William Hospital, Medical Building 1, 4th Floor, Conference Room C, 8700 Sudley Rd., Manassas. 703-895-4857.

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

— Compiled by Sarah Lane

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