Nutritional supplements
Learning Center
Multivitamins: Do young children need them?
Multivitamins: Are they good insurance for young children?
Silent heart attack: What are the risks?
This type of heart attack occurs with few, if any, symptoms. Find out more.
Female orgasm: No climax with vaginal penetration?
Not all women have orgasms with vaginal penetration during sex. Most women need stimulation of the clitoris to climax.
Coughing more after quitting smoking: What's the deal?
If you cough more than usual after you give up cigarettes, find out what it might mean and when to call the doctor.
Too much vitamin C: Is it harmful?
Vitamin C is an essential nutrient, but too much carries its own risks.
Pregnancy acne: What's the best treatment?
Learn about self-care and safe medications to treat acne during pregnancy.
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?
Vitamin D toxicity: What if you get too much?
Understand the risks of too much vitamin D, including a toxic reaction.
Cellulitis: How to prevent recurrent episodes
Learn to treat and prevent recurrent cellulitis.
Shingles vaccine: Can I transmit the vaccine virus to others?
A shingles vaccine uses only part of the varicella-zoster virus, so you can't infect others.
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