Healthy diets
Learning Center
Zinc for colds: The final word?
Everyone's heard of taking zinc for colds. But does it really work?
Water after meals: Does it disturb digestion?
Drinking plenty of water helps keep your digestive system on track.
Vegetarian diet: How to get the best nutrition
A vegetarian diet can meet your nutritional needs if you make wise choices.
Valerian: A safe and effective herbal sleep aid?
Valerian — Can this sleep aid help you sleep better?
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?
Paleo diet: What is it and why is it so popular?
Is a diet based on what early humans might have eaten right for modern humans?
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.
Mediterranean diet for heart health
This heart-healthy eating plan emphasizes healthy fats, whole grains, fruits, vegetables, beans, nuts and seeds.
Low-glycemic index diet: What's behind the claims?
Find out about the low-glycemic index diet — an eating plan based on how food affects blood sugar levels.
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