Nutritional supplements
Learning Center
Sex after years of abstinence: OK to resume?
With time and patience, you can resume sexual activity at any age.
Medical credentials and degrees explained
Confused by the credentials for doctors, nurses and physician assistants? Get definitions of common credentials and learn why they matter.
Tweak your walking routine for muscle and bone health
With a few changes to your regular walking routine, you can keep muscle and bone loss at bay as you age.
Eastern equine encephalitis (EEE): What is it?
Find out more about a virus spread to people by mosquitoes, its symptoms and ways to prevent being infected with it.
Cryptogenic organizing pneumonia
Cryptogenic organizing pneumonia affects your lungs' small airways and air-exchange sacs.
What is wheatgrass? Why is it in my drink?
Wheatgrass is a popular addition to smoothies and other drinks. While it's a rich source of nutrients, it's not a disease cure-all.
What it takes to be agile at any age
It's never too late to start thinking about flexibility and mobility. Use these tips to stay agile well past middle age.
Barrel chest: What causes it?
Barrel chest isn't a disease, but it may indicate an underlying condition, such as chronic obstructive pulmonary disease (COPD).
Simple tips for staying active and mobile with osteoarthritis
Physical activity is a proven strategy for managing the pain of osteoarthritis. Here are 5 ways to get started — and make it stick.
Calcium supplements: Do men need them?
Do guys need calcium supplements for bone health?
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