Include the "sunshine vitamin" in your meal plans to keep happy all season long.
Dust off your running shoes and don your jacket—a little physicality is the best way to ward off midwinter miseries.
Aim to spend at least 30 minutes outdoors every day—and don't be afraid to seek help for depression.
Fitness, food, light therapy and socialization can help fend off the seasonal sadness that befalls many amid winter's dark and dreary months.
Seasonal affective disorder affects people regardless of age. Here's what you need to know.
If you live in the mitten state, probably not. What can you do to get the full benefits of the sunshine vitamin?