Weight-loss basics
Learning Center
Slow metabolism: Is it to blame for weight gain?
Is a slow metabolism the reason for your weight gain? Or is something else going on?
What is hot yoga?
Hot yoga, also known as Bikram yoga, is an intense form of yoga performed in a heated studio.
Phosphatidylserine supplements: Can they improve memory?
Phosphatidylserine holds some promise as a potential treatment for Alzheimer's and other memory problems.
Axona: Medical food to treat Alzheimer's
Axona — Can a supplement treat Alzheimer's disease?
Eye vitamins: Can they prevent or treat glaucoma?
Some supplements are marketed as 'eye vitamins' that help protect your eyes against glaucoma. Is there any truth to these claims?
Echinacea: Is it effective for the common cold?
Echinacea may slightly reduce the duration and severity of cold symptoms, but the effect may be too minor to notice.
Prolotherapy: Solution to low back pain?
Prolotherapy may help low back pain, but proof remains elusive.
Natural acne treatment: What's most effective?
Natural acne treatment comes in various forms. Some may be beneficial.
What is reflexology?
Reflexology is gaining popularity as a stress reliever, but does it work?
How is brown fat different from other fat?
Researchers have uncovered a type of body fat, dubbed brown fat, that appears to burn regular fat.