How is vitamin B12 deficiency treated?

Preventive Medicine Specialist David Katz, MD, MPH, explains how a vitamin B12 deficiency is treated. Learn more information on preventive medicine and overall wellness.

Are you wondering if this popular supplement is a safe way to get more sleep? Get the facts.

Before you stock up at the pharmacy, know that most people can get nearly all their essential vitamins and minerals from food.

Are artificial sweeteners like aspartame and saccharine really a healthy choice?

But people with Crohn’s disease and ulcerative colitis can take steps to help raise vitamin D levels.

They're on sale just about everywhere, but are these teas, pills, powders, and drops a fraud?