Nutrition basics
Learning Center
Mangosteen juice: Can it relieve arthritis pain?
Some marketers claim mangosteen juice has anti-inflammatory benefits. Find out what the research says.
Monosodium glutamate (MSG): Is it harmful?
Monosodium glutamate (MSG) can trigger headaches and other symptoms in some people.
Natural acne treatment: What's most effective?
Natural acne treatment comes in various forms. Some may be beneficial.
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.
PSA levels: Can they rise after partial prostate removal?
A number of factors can cause PSA levels to rise after surgery for an enlarged prostate.
Penis fracture: Is it possible?
Know the signs and symptoms of a penis fracture.
Phenylalanine in diet soda: Is it harmful?
You may be worried about phenylalanine because of a warning on diet soda. Find out why the warning is there.
Phosphatidylserine supplements: Can they improve memory?
Phosphatidylserine holds some promise as a potential treatment for Alzheimer's and other memory problems.
Pomegranate juice: A cure for prostate cancer?
Early research suggested that pomegranate juice could slow the growth of prostate cancer, but more-rigorous trials failed to confirm those results.
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?
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