Diet pills, supplements and surgery
Learning Center
Zinc for colds: The final word?
Everyone's heard of taking zinc for colds. But does it really work?
What is reflexology?
Reflexology is gaining popularity as a stress reliever, but does it work?
What is hot yoga?
Hot yoga, also known as Bikram yoga, is an intense form of yoga performed in a heated studio.
Water retention: Are there natural diuretics?
Interested in natural diuretics for fluid retention and weight gain? You may be better off watching your diet.
Vitamin B-12 injections for weight loss: Do they work?
Vitamin B-12 injections — A weight-loss shot sounds appealing, but does it work?
Valerian: A safe and effective herbal sleep aid?
Valerian — Can this sleep aid help you sleep better?
Protein shakes: Good for weight loss?
Protein shakes aren't a magic bullet for weight loss. Here's why.
Prolotherapy: Solution to low back pain?
Prolotherapy may help low back pain, but proof remains elusive.
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?
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.