Nutritional supplements
Learning Center
Prostatitis: Can sexual activity make it worse?
Some men with prostatitis have pain with ejaculation or sexual activity.
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.
Pregnancy exercises
Learn exercises that can improve your core strength and muscle tone during pregnancy.
Pregnancy after miscarriage: What you need to know
Get answers to common questions about pregnancy after a miscarriage.
Planning to travel with atrial fibrillation?
Extra preparation before a trip can keep your plans — and heart — running smoothly if you have an irregular heartbeat. Get expert recommendations for your pre-travel checklist.
Petroleum jelly: Safe for a dry nose?
Rarely, inhaling petroleum jelly for prolonged periods can cause lung inflammation (lipoid pneumonia).
Paleo diet: What is it and why is it so popular?
Is a diet based on what early humans might have eaten right for modern humans?
Ozone air purifiers: Can they improve asthma symptoms?
Ozone air purifiers don't reduce asthma symptoms. In fact, they can make asthma worse.
Nuts and your heart: Eating nuts for heart health
Discover how walnuts, almonds and other nuts can improve heart health.
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