Talking to kids about sex
Learning Center
COVID-19, cold, allergies and the flu: What are the differences?
Knowing if you have COVID-19, a cold, the flu or seasonal allergies isn't easy. Find out about the differences between these illnesses.
Can vitamin D protect against coronavirus disease 2019 (COVID-19)?
Find out what the research says about links between this key vitamin and the widespread viral infection.
Facial fillers for wrinkles
Find out more about facial injections, also called soft tissue fillers, that can temporarily smooth wrinkles.
Outpatient joint replacement: Is it a safe option?
Joint replacement of the hip, knee and shoulder can be done safely as outpatient surgery. Most people can go home the same day as the procedure.
Video: An asthma attack
What happens to your airways during an asthma attack?
Poison ivy and other summer skin irritants
Take a look at these bumps, bites and rashes. Find out what causes them and how they can be treated.
Balance exercises
These exercises can improve balance and help prevent falls. See how they're done.
Guide to different tick species and the diseases they carry
Learn about different tick species and some of the diseases they may carry.
10 great health foods
Add these health foods to the menu and give your diet a healthy boost.
Vaginal odor
Learn about causes of unpleasant or unusual odor from the vagina and when to seek care.
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