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.
Senior center fitness equipment demonstration learn to use the center’s treadmills and stationary bikes. Thursday, 1 p.m. Prince William Senior Center, 9320 Mosby St., Manassas. 703-792-6405. 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.
Diabetes support group the topic of the seminar will be diabetes and sleep apnea. Thursday, 6:30 p.m. Prince William Health System Wellness Center, Suite 108, 8640 Sudley Rd., Manassas. 703-369-8405, Ext. 2. Free.
Dementia caregivers support group for various forms of dementia 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.
Health fair a two mile walk/run followed bya fair featuring health screenings, a blood drive and Zumba class. Sponsored by the Pi Lambda Lambda chapter of Omega Psi Fraternity and Ebeneezer Baptist Church. Saturday, 7 a.m. Ebeneezer Baptist Church, 13020 Telegraph Rd., Woodbridge. 703-894-7294. 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.
Blood drive Donors receive free admission to the Pringle House. Sponsored by American Red Cross. Saturday, 9 a.m.-2 p.m. Ben Lomond, 10321 Sudley Manor Dr. Manassas. 703-367-7872.
Overeaters Anonymous sunrise meeting Tuesday, 7 a.m. St. Benedict Monastery, 9535 Linton Hall Rd., Bristow. 202-437-5070. www.oanova.org. Free.
Senior center health screenings For blood pressure and glucose. Tuesday, 9:30 a.m. Woodbridge Senior Center, 13850 Church Hill Dr., Woodbridge. 703-792-5081. Free.
“Have You Lost Your Sparkle? ACTS Hotline Director Vicki Graham leads a discussion on what gives one energy. Tuesday, 10:30 a.m. Woodbridge Senior Center, 13850 Church Hill Dr., Woodbridge. 703-792-5081. Free.
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.
I Can Cope cancer support group 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.
Warning signs of Alzheimer’s disease “Are You Forgetting?” Jane Priest of the Alzheimer’s Association discusses 10 warning signs. 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.
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