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Vitamin D Deficiency Increases Spread of Disease
A bottle of Vitamin D3. Ekaterina_Minaeva/Shutterstock
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Joseph Mercola
Author
Dr. Joseph Mercola is the founder of Mercola.com. An osteopathic physician, best-selling author, and recipient of multiple awards in the field of natural health, his primary vision is to change the modern health paradigm by providing people with a valuable resource to help them take control of their health.
