Upper Marlboro blood drive The Red Cross will collect whole blood cells. Thursday, 9 a.m.-3 p.m. Prince George’s Planning Department, 14741 Governor Oden Bowie Dr., Upper Marlboro. 800-733-2767. www.redcrossblood.org . Registration requested.

9/11 Memorial Stair Climb and 3K Walk The county hosts this climb in honor of the 343 firefighters who lost their lives Sept. 11, 2001. The first 343 to register will receive a T-shirt, lunch and a commemorative coin. Saturday, 7 a.m.-1 p.m. Gaylord National Resort and Convention Center, 201 Waterfront St., National Harbor. bhinton@firehero.org. www.pgfdpio.blogspot.com. $25, registration required.

College Park health fair Embry A.M.E. Church hosts this clinic, offering blood pressure, diabetes and cholesterol screenings, dental and vision checks, yoga, a self-defense course, exercise classes and more. Saturday, 9 a.m.-3 p.m. Prince George’s County Administration Building, 14741 Governor Oden Bowie Dr., Upper Marlboro. 301-474-7503. embryamec@verizon.net. Free.

Blood drive Hosted by the Red Cross. Saturday, 10 a.m.-4 p.m. Bethel Deliverance Outreach Ministries, 10675 Crain Hwy., Upper Marlboro. 800-733-2767. www.redcrossblood.org. Registration requested.

Hope support group The National Alliance on Mental Illness sponsors this group for people suffering from depressive illnesses. Sunday, 3:30-5:30 p.m. St. John’s Catholic Church, 8912 Old Branch Ave., Clinton. Ruth McMenamin at 301-868-6180. Registration required.

Laurel mental health support group Sponsored by the National Alliance on Mental Illness. Monday, 7-8:30 p.m. Holy Trinity Lutheran Church, 7607 Old Sandy Spring Rd., Laurel. Steven J. Gray at 410-772-9300. sjgray.namihc@gmail.com. Free, registration requested.

PLAYdetox and weight loss program A three-week program that promotes weight loss and healthful living. Mondays, 7-8:30 p.m. Through Sept. 30. Glenn Dale Community Center, 11901 Glenn Dale Blvd., Glenn Dale. 202-596-7529. www.letsplayhealthy.com/play-detox. $120, registration required.

Clinton mental health support group Sponsored by the National Alliance on Mental Illness. Tuesday, 6:30-8:30 p.m. Colony South Hotel, 7401 Surratts Rd., Clinton. Mary Heath at 301-856-8221. mcheath@verizon.net. Registration required.

College Park blood drive The Red Cross will collect whole and double red blood cells. Wednesday, 9 a.m.-2:30 p.m. Adele H. Stamp Student Union, Campus Drive, University of Maryland, College Park. 800-733-2767. www.redcrossblood.org. Registration requested.

Line dancing workout A drop-in dancing workout for people age 60 and older. Wednesday, 10 a.m.-noon. Langley Park Senior Activity Center, 1500 Merrimac Dr., Hyattsville. 301-408-4343. Free.

Bariatric/weight loss surgery seminar A surgeon discusses the procedures and how they might help you. Sponsored by Providence Hospital. Wednesday, 6-8 p.m. St. Joseph’s Catholic Church, 2020 Saint Joseph Dr., Largo. 877-993-7422. www.providencebariatrics.com. Free, registration required.

Rehabilitation sharing group A support group for those who have had strokes or a longtime illness. Wednesday, 6 p.m. Laurel Regional Hospital, 7300 Van Dusen Rd., Laurel. 301-497-7901. Free, registration required.

— Compiled by Jillian S. Jarrett

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