Diet plans
Learning Center
Zinc for colds: The final word?
Everyone's heard of taking zinc for colds. But does it really work?
Weight loss: Choosing a diet that's right for you
Weight loss is your goal, but which diet will help you get there? Get the skinny on evaluating diet plans.
Valerian: A safe and effective herbal sleep aid?
Valerian — Can this sleep aid help you sleep better?
South Beach Diet
Weighing your weight-loss options? The South Beach Diet emphasizes lower carbs, more proteins and healthy fats to lose pounds.
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?
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.
Multiple sclerosis
This nervous system disorder causes a range of symptoms — and while there's no cure, it's possible to have long periods of remission.
Mindfulness exercises
Engaging with the world around you can lower your stress. Here's how to practice mindfulness meditation.
Low-carb diet: Can it help you lose weight?
Find out about low-carb diets, from what's off-limits to potential health benefits.
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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