Nutritional supplements
Learning Center
Sexually transmitted disease (STD) symptoms
Learn about symptoms of some of the more common diseases that can be passed through sex.
Sensitive teeth: What treatments are available?
Know what causes sensitive teeth and learn about effective treatments.
Self-care for the flu
How to take care of yourself at home when you have the flu.
Salt craving: A symptom of Addison's disease?
Constantly craving salt could signal a medical condition, such as Addison's disease.
Rheumatoid arthritis: Does pregnancy affect symptoms?
Learn how pregnancy can affect rheumatoid arthritis symptoms.
Rectal bleeding
Blood in your stool, on the toilet paper or in the toilet bowl can have various causes. See your doctor if it lasts more than a day or two.
Pulse pressure: An indicator of heart health?
Pulse pressure may be a strong predictor of heart problems, especially for older adults.
Pros and cons of taking a magnesium supplement
Magnesium supplements are popular but not risk-free. Fortunately food sources are easy to add to your diet.
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?
Prenatal vitamins: OK for women who aren't pregnant?
Prenatal vitamins: Why they might not be suitable if you're not pregnant.
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