Vitamin D: Why You Need Sunshine In A Pill To Fight Winter Depression

Did you know that about 5% of the U.S. population becomes so impaired every winter they meet the criteria for SAD (Seasonal Affective Disorder)? That's depressing. And did you know that women are more likely to experience SAD than men? In some cases, three to four times more likely, especially women in their 20s and 30s. Doubly depressing. Shorter days …