Authors

Jennifer Ackerman

The Vitals on Vitamin D
How much D does your body need? It all depends on where you live, the season, time of day, how much of the body is exposed to the sun, and skin pigmentation.
The Great Sunshine Standoff

Hold the sunscreen—at least for a few minutes. Evidence is emerging that some unfiltered sun exposure repels ills, from heart disease to cancer to multiple sclerosis, not to mention depression—enough to add seven years to your life. Are you ready for a more nuanced view of sunshine?