Nutritional supplements
Learning Center
Sex during vaginal infection: Is it harmful?
Vaginal infection makes intercourse painful and weakens your resistance to sexually transmitted infections. Consider waiting.
Should I make changes to my diet if I've been diagnosed with atrial fibrillation?
If you have A-fib, you may need to avoid certain foods or drinks. Know when and why you may need to change your diet.
Should people with atrial fibrillation participate in physical activity?
Physical activity and atrial fibrillation — Should people with atrial fibrillation participate in physical activity?
Sleep apnea and caffeine: Any connection?
Caffeine doesn't seem to cause or aggravate obstructive sleep apnea.
Tendinitis pain: Should I apply ice or heat?
Ice is recommended for sudden injuries to tendons. But heat might be a better choice for chronic tendinitis caused by overuse.
Too much vitamin C: Is it harmful?
Vitamin C is an essential nutrient, but too much carries its own risks.
Ultraprocessed foods: Convenience at what cost?
Ultraprocessed foods, such as frozen dinners, are staples for many Americans. Why do these convenience foods have a bad rep?
Vaping during pregnancy: Is it safe?
Vaping during pregnancy can expose your baby to nicotine.
Vegetarian diet: Can it help me control my diabetes?
Although switching to a vegetarian diet won't cure diabetes, it may offer some benefits.
Vicks VapoRub: An effective nasal decongestant?
Find out why you should not use this ointment to ease a stuffy nose during a cold.
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