We don't yet know if vitamin D supplements can boost your immune system, as research on the topic has shown mixed results. If you want to try vitamin D supplements for better immune health, your ...

Put your top concern first, but show the whole list to your doctor — this helps us see what's most important and make sure we ...

It's essential to get enough vitamin D to keep your immune system strong. But does it matter when exactly you take it?

"Hearst Magazines and Yahoo may earn commission or revenue on some items through these links." Some things just go better together — and that includes certain vitamins and minerals. Whether you want ...

Getting the most out of a doctor's visit requires some advance preparation, whether it's a routine checkup or following up on ...