Sleep
Learning Center
Nasopharyngeal carcinoma
Nasopharyngeal carcinoma is cancer that occurs in the nasopharynx, which is located behind your nose and above the back of your throat.
Suicide and suicidal thoughts
Suicide can be prevented. Learn suicide warning signs and how to reach out for immediate help and professional treatment.
TMJ disorders
Treatment options for pain in your jaw joint and in the muscles that control jaw movement can include pain management, medical therapies and surgery.
Anal fissure
Learn what causes a tear in the anus and how to prevent or treat this often painful condition.
Rheumatoid arthritis
This chronic inflammatory disorder can affect more than just your joints. It can also damage your skin, eyes, lungs, heart and blood vessels.
Double-outlet right ventricle
In this heart condition present at birth, two major blood vessels aren't attached to the heart in the usual positions. Learn how it's treated.
Alzheimer's: Managing sleep problems
Alzheimer's sleep problems affect both you and your loved one. Consider tips for coping.
Sleep aids: Understand options sold without a prescription
Get the facts on common sleep aids sold without a prescription, including precautions and side effects.
Napping: Do's and don'ts for healthy adults
Napping can benefit your health. Find out how to make the most of a nap.
Sleep tips: 6 steps to better sleep
Better sleep can be yours! Consider sleep tips for the weary.
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