


Books Vitamin DVitamin D is the essential vitamin your body needs to thrive. Between 70 to 90 percent of North Americans don't get enough vitamin D. This deficiency is one of the root causes of a number of dangerous chronic conditions, including cancer, heart disease, stroke, depression, osteoarthritis, and more. Sunlight, the best source of vitamin D, has been avoided due to concerns that sun exposure contributes to skin cancer. However, recent research shows that
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