Subscribe to NutritionFacts.org’s free e-newsletter and receive a recipe from Dr. Greger’s brand-new cookbook, The How Not to Diet Cookbook: DESCRIPTION: Should the vitamin D levels found in lifeguards be considered the norm for our species given the fact that…

Subscribe to NutritionFacts.org for free and receive a free copy of Dr. Greger’s Evidence-Based Eating Guide: DESCRIPTION: To reach the circulating (25-hydroxy) vitamin D levels associated with the lowest overall mortality, one may need to take supplements, given data suggesting…