Do you need ‘personalized sunlight’? New device boosts vitamin D —without going outside
Too many people are earning an F on their vitamin D. A study published in Nutrition Research found that 41.6% of American adults are deficient in it, and that number climbs even higher for certain groups — 82.1% for Black people, 69.2% for Hispanics. Vitamin D is essential for your body to function, and not … Read more