Dual Diagnosis support group A mental health and substance abuse group that promotes recovery through peer support. Thursday and Tuesday, 6-7:30 p.m. Trillium Drop-In Center, 13184 Centerpointe Way, Woodbridge. 703-763-3865. www.trilliumdropincenter.org.
Overeaters Anonymous Big Book meeting Friday, 10:30 a.m. Bethel Lutheran Church, 8712 Plantation Lane, Manassas. 571-445-3287. www.oa.org.
Mental health support group Friday, 6-7:30 p.m. Trillium Drop-In Center, 13184 Centerpointe Way, Woodbridge. 703-763-3865. www.trilliumdropincenter.org.
Fit for Christ boot camp 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.
Canoe tour A ranger leads a guided tour on Powells Creek. Saturday, 8 a.m.; Sunday, 9 a.m. Leesylvania State Park, 2001 Daniel K. Ludwig Dr., Woodbridge. 703-583-6904. $9, registration required.
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.
Native plant hike A ranger leads a hike and identifies native flora. Wear close-toed shoes and bring water. Saturday, 11 a.m. and 2 p.m. Leesylvania State Park, Powells Creek Trailhead, 2001 Daniel K. Ludwig Dr., Woodbridge. 703-583-6904. Hike, free; parking, $5.
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.
Al-Anon Family Group Sunday, 8 p.m. Haymarket Baptist Church, parish hall, 14800 Washington St., Haymarket. 703-969-2726.
Overeaters Anonymous/HOW Monday, 7 p.m. Bethel Lutheran Church, 8712 Plantation Lane, Manassas. 703-823-6682. email@example.com. 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.
Cancer support group A meeting for cancer patients, survivors and their families. Tuesday, 7 p.m. Prince William Hospital, Medical Building 1, 4th Floor, Conference Room C, 8700 Sudley Rd., Manassas. 703-895-4857.
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.
Grief support group For those who have lost a loved one within the last two years. Tuesday, 7 p.m. Potomac Community Library, 2201 Opitz Blvd., Woodbridge. 703-396-6198.
I Can Cope 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.
Weight-loss support group Wednesday, 11 a.m. Spirit and Life United Methodist Church, 4223 Dale Blvd., Woodbridge. 703-878-7779. 571-277-7976. 571-277-7976. Free.
— Compiled by Sarah Lane
Submit an item E-mail firstname.lastname@example.org at least 14 days before the publication date.