Dental care
Learning Center
When to brush your teeth
When should you brush your teeth? Learn how to protect your oral health.
Sensitive teeth: What treatments are available?
Know what causes sensitive teeth and learn about effective treatments.
Oral health: A window to your overall health
Find out about the link between your oral health and overall health.
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.
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.
Dental floss vs. water flosser: Which is better?
Cleaning between your teeth every day is an important part of good oral health.
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.