“Music and Laughter: The Best Medicine” Mark Hanak plays clever, silly songs by Groucho Marx, Tom Lehrer, Allan Sherman, Victor Borge and others. Friday, 1:15 p.m. Holiday Park Multiservice Senior Center, 3950 Ferrara Dr., Wheaton. 240-777-4999. Free.
Potomac River Heritage kayak trip For adults; this is not an instructional course. Participants will paddle three to four hours with stops to learn about the natural and cultural history of the Potomac and its tributaries. Saturday, 8 a.m.-5 p.m. Black Hill Regional Park, 20926 Lake Ridge Dr., Boyds. 301-528-3492. www.montgomeryparks.org. parkpass.org. $65, registration required.
“Peer to Peer” mental health course For anyone with mental illness; a five-week course to help participants find their own path to recovery. Mondays and Wednesdays, 6:30 p.m., beginning this Monday. National Alliance on Mental Illness, 11718 Parklawn Dr., Rockville. 301-949-5852, Ext. 101. firstname.lastname@example.org. Free, registration required.
Zumba on the Plaza Stage A fitness instructor from Washington Sports Club leads an outdoor class. Tuesday, 7 p.m. Fountain Plaza Stage at Downtown Silver Spring, 916 Ellsworth Dr. 301-203-4184. Free.
Food safety for summer Nurse Leni Barry offers tips on how to store and prepare food and maintain a heart healthy diet. Wednesday, 10:30 a.m. Margaret Schweinhaut Senior Center, 1000 Forest Glen Rd., Silver Spring. 240-777-8086. Free.
Taking care of skin Danielle Drezek and Tara Elton discuss common changes to skin due to aging and when one should see a doctor. Sponsored by Suburban Hospital. Next Thursday, 1:15 p.m. Holiday Park Multiservice Senior Center, 3950 Ferrara Dr., Wheaton. 240-777-4999. Free.
Financial planning for Alzheimer’s lecture Rick Gow, a financial planner, will discuss financial, legal and medical options. Sponsored by the Alzheimer’s Association of the National Capital Area. Next Thursday, 2-4 p.m. Ingleside at King Farm, Multipurpose Room, 701 King Farm Blvd., Rockville. 240-499-9019. Free, registration required.
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