Nutrition basics
Learning Center
Yerba mate: Is it safe to drink?
This herbal tea may help you feel more alert and focused, but find out what the possible health risks are.
Yeast infection in men: How can I tell if I have one?
Yeast infections can occur in men, causing inflammation of the penis (balanitis). Learn what signs and symptoms could mean you have a yeast infection.
Wrist blood pressure monitors: Are they accurate?
Devices that measure blood pressure at the wrist may be an option for some people. Know how to position a wrist monitor properly.
Wrinkles
These lines in the skin are a natural part of aging that's also affected by sun exposure and smoking. Learn about prevention tips and treatment options.
Withdrawal method (coitus interruptus)
The withdrawal method — pulling the penis out of the vagina before ejaculation — isn't the most effective birth control. Learn about the pros and cons.
Winter doesn't mean you can sideline the sunscreen
It's as easy to get sunburned in winter as in summer. Snow reflects the sun's rays, so sunburn is possible even if you're cold. When you're outdoors in the winter, wear sunscreen on any exposed areas. Use lip balm that contains sunscreen, too.
Why isn't there a hepatitis C vaccine?
Hepatitis C vaccine development is far from straightforward, but experimental vaccines are under study.
Why interval training may be the best workout at any age
High-intensity interval training (HIIT) may provide more benefits for older exercisers than the young and fit. Learn how to harness the power of intervals whatever your age.
Which CPAP masks are best for you?
CPAP masks come in a variety of styles. See some of your options.
When to brush your teeth
When should you brush your teeth? Learn how to protect your oral health.
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