Fitness basics
Learning Center
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?
6 tips for an active getaway you'll remember
Whether you're traveling for business or pleasure, you don't have to leave your workout routine behind. Try these tips for making exercise a part of the adventure.
Fitness: Tips for staying motivated
Fitness is for life. Motivate yourself with these practical tips.
Heat and exercise: Keeping cool in hot weather
Use these tips to avoid problems when exercising outdoors in hot weather.
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.
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