vitamin D

5 Reasons Science Says It's OK to Eat More Cheese

More cheese, please! Science says this beloved dairy treat is better for you than you think, everywhere from your bones to your brains.

The Surprising Reason You Are Sick, Tired, and Cranky

Vitamin D deficiency can lead to a host of worrisome ailments. Fortunately, getting all the D you need is easier -- and cheaper -- than most people think.

7 Nutrients You Need More Of

The latest Dietary Guidelines for Americans identified a handful of vitamins and minerals Americans weren't getting enough of. What are these seven nutrients, exactly?