Healthy diets
Learning Center
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.
Tips for choosing and using canes
A cane can improve balance and mobility. Learn about the choices that are available and how to use a cane correctly.
Joint protection for people with hand arthritis
Joint protection — photos showing joint protection techniques to avoid hand arthritis pain.
Sun damage
See photos of common skin conditions that are caused by too much time in the sun.
Prednisone and other corticosteroids
Are you using a corticosteroid? Prednisone and other corticosteroid pills, creams and injections can cause side effects. Find out what to expect.
Calcium and calcium supplements: Achieving the right balance
Considering calcium supplements? First figure out how much calcium you need. Then weigh the pros and cons of supplements.
Asthma: Steps in testing and diagnosis
Think you or your child might have asthma? Here's what's involved in making a diagnosis.
Living wills and advance directives for medical decisions
Living wills and other advance directives describe your treatment preferences in end-of-life situations when you can't speak for yourself.
The reality of menopause weight gain
Find out what causes menopause weight gain, and learn about ways you may be able to minimize it.
How your brain works
Which part of your brain does what? Take a tour.
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