Dental care
Learning Center
Zinc for colds: The final word?
Everyone's heard of taking zinc for colds. But does it really work?
When to brush your teeth
When should you brush your teeth? Learn how to protect your oral health.
Valerian: A safe and effective herbal sleep aid?
Valerian — Can this sleep aid help you sleep better?
Stuttering
Stuttering, sometimes called stammering, is a speech condition that involves problems with rhythm and flow when speaking.
Sensitive teeth: What treatments are available?
Know what causes sensitive teeth and learn about effective treatments.
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 health: A window to your overall health
Find out about the link between your oral health and overall health.
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.
Mindfulness exercises
Engaging with the world around you can lower your stress. Here's how to practice mindfulness meditation.
L-arginine: Does it lower blood pressure?
This supplement may help some people lower their blood pressure. Learn who might benefit and who should stay away from it.
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