Sleep
Learning Center
Zinc for colds: The final word?
Everyone's heard of taking zinc for colds. But does it really work?
Valerian: A safe and effective herbal sleep aid?
Valerian — Can this sleep aid help you sleep better?
Sleep tips: 6 steps to better sleep
Better sleep can be yours! Consider sleep tips for the weary.
Sleep aids: Understand options sold without a prescription
Get the facts on common sleep aids sold without a prescription, including precautions and side effects.
Sleep aids: Could antihistamines help me sleep?
Antihistamines can be somewhat effective as a sleep aid — but only for occasional sleeplessness.
Probiotics and prebiotics: What you should know
Probiotics are foods or supplements that contain 'good' bacteria that might help treat or prevent illness. Should they be part of your diet?
Oral thrush
Oral thrush is a fungal infection caused by the overgrowth of Candida albicans, which causes creamy white lesions on the tongue and lining of your mouth.
Natural remedies for depression: Are they effective?
For some people, certain herbal and dietary supplements seem to help with depression, but more studies are needed on their effectiveness and side effects.
Napping: Do's and don'ts for healthy adults
Napping can benefit your health. Find out how to make the most of a nap.
Molluscum contagiosum
Learn how to prevent and treat this common skin infection that affects people of all ages.
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