date:Oct 19, 2018
two ways. The first is from food, this is good for about one-third of vitamin D in bodies. Two-thirds of the vitamin D is produced by the body itself under influence of sunlight on our skin. This isnt a problem in the summer months, when the sun is shining and people tend to be outside more, so the body produces plenty of vitamin D. This changes as days grow shorter, when the sun is less high in the sky and its often hidden behind grey clouds, in short, when autumn starts. It becomes more diffic