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Vitamin D

5 All-Natural Flu Remedies That Actually Work

By Josh Axe
Unsplash/Abigail Keenan

Winter Weight Gain Could Be Caused by Lack of Sun, New Study Shows

By Francesca Friday
When it's too cold to go outside, one can't rely on the sun's rays as a source of vitamin D.

Doctor’s Orders: Don’t Become Vitamin D Deficient This Winter

By David B. Samadi
A healthy diet may have marked effects on your mood.

Fight Depression by Making These Key Diet Changes

By David B. Samadi
Time can march backwards.

How to Age Backward

By Marc Siegel
Grilled bok choy with soy.

Doctor’s Orders: Eat These Veggies to Prevent Prostate Cancer

By David B. Samadi
A couple relax on deckchairs in the warm weather in Hyde Park on July 18, 2014 in London, England.

Doctor’s Orders: Sunshine Can Boost Your Bedroom Performance

By David B. Samadi
1988: Detail view of Florence Griffith Joyner fashion sense and running shoes during a photo shoot in 1988.

Four Sports Supplements That Are Actually Worth Your Time

By Chelsea Vincent

Fortify Me—With Vitamin D!

By Lizzy Ratner
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