Sleep
Learning Center
Sleep tips: 6 steps to better sleep
Better sleep can be yours! Consider sleep tips for the weary.
Stressed out? Skip the late show
Getting enough sleep can help you handle the demands of daily life. For most adults, seven to eight hours a night is the right amount. If you're drowsy during the day, your bedtime routine may need a tuneup. Try these tips: 1. Don't go to bed hungry or stuffed. 2. Create a relaxing bedtime ritual, such as taking a bath. 3. Limit daytime naps. 4. Keep your bedtime consistent, including on weekends. 5. Jot down worries and set them aside for the next day.
Transgender facts
Know the basics about sex and gender, including common terms and definitions.
Wisdom teeth removal: When is it necessary?
You may not need your wisdom teeth taken out if they're healthy and in the right place. But if they cause problems, your dentist may suggest removing them.
What is chikungunya fever, and should I be worried?
Learn more about this mosquito-borne virus — found in Africa, Asia, India, and parts of Europe and the Americas — that causes fever and severe joint pain.
Sleep aids: Could antihistamines help me sleep?
Antihistamines can be somewhat effective as a sleep aid — but only for occasional sleeplessness.
Video: 3 things you didn't know about cold sores
Cold sores on the lips can be embarrassing and tough to hide. Most people who are infected with the virus that causes cold sores never develop symptoms.
Degenerative changes in the spine: Is this arthritis?
Degenerative changes in the spine visible on X-rays indicate osteoarthritis of the spine.
Limbic-predominant age-related TDP-43 encephalopathy (LATE)
LATE causes symptoms similar to Alzheimer's, but may progress more slowly.
Cold or allergy: Which is it?
Although colds and seasonal allergies share some of the same symptoms, they are very different diseases. Learn how to tell the difference.
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