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Video: Hamstring curl with resistance tubing
The hamstring curl targets the back of the thigh. See how it's done.
Video
Multiple sclerosis
This nervous system disorder causes a range of symptoms — and while there's no cure, it's possible to have long periods of remission.
Disease
Masculinizing surgery
Find out how masculinizing surgical procedures can help better align the body with a person's gender identity.
TestProcedure
Blood donation
Find out what to expect during blood donation and how your blood will be used to help others.
TestProcedure
Different types of COVID-19 vaccines: How they work
Find out how different COVID-19 vaccines cause your body to create antibodies that will fight the COVID-19 virus.
Article