Sports nutrition
Learning Center
Performance-enhancing drugs: Know the risks
Learn about the health risks of doping in athletes.
Eating and exercise: 5 tips to maximize your workouts
Find out how your meals and snacks can affect your workouts.
Ankylosing spondylitis
Learn about this inflammatory disease that can cause some of the vertebrae in the spine to fuse over time.
Feminizing surgery
Find out how feminizing surgical procedures can help better align the body with a person's gender identity.
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.
Masculinizing surgery
Find out how masculinizing surgical procedures can help better align the body with a person's gender identity.
Blood donation
Find out what to expect during blood donation and how your blood will be used to help others.
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.