Weight-loss basics
Learning Center
Weight loss: 6 strategies for success
Reach your weight-loss goals with these proven tips.
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.
Metabolism and weight loss: How you burn calories
Learn if your metabolism influences weight loss — or weight gain.
Masculinizing surgery
Find out how masculinizing surgical procedures can help better align the body with a person's gender identity.
Getting past a weight-loss plateau
Hit a weight-loss plateau? Don't despair. Restart your weight loss with these tips.
Feminizing surgery
Find out how feminizing surgical procedures can help better align the body with a person's gender identity.
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.
Counting calories: Get back to weight-loss basics
Calories count — Try these calorie-cutting basics to get a handle on your weight.
Blood donation
Find out what to expect during blood donation and how your blood will be used to help others.
Ankylosing spondylitis
Learn about this inflammatory disease that can cause some of the vertebrae in the spine to fuse over time.