Nutrition basics
Learning Center
Valerian: A safe and effective herbal sleep aid?
Valerian — Can this sleep aid help you sleep better?
Viagra for women: Does it exist?
Learn about medicines to treat problems with sexual arousal or sexual desire in women.
What is hot yoga?
Hot yoga, also known as Bikram yoga, is an intense form of yoga performed in a heated studio.
What is reflexology?
Reflexology is gaining popularity as a stress reliever, but does it work?
X-ray during pregnancy: Is it safe?
Learn when an X-ray during pregnancy might cause harm and how to avoid it.
Yeast infection during pregnancy: Over-the-counter treatment OK?
Yeast infections are common during pregnancy. Over-the-counter treatments are usually safe.
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.
Zinc for colds: The final word?
Everyone's heard of taking zinc for colds. But does it really work?
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