As it became known, sunlight, through which we get a nice tan, is able to increase the immune system, because it is able to make move faster immune T-cells.
Everybody knows that long to be exposed to direct sunlight is dangerous, because you can get not only burn the skin, but also more serious diseases.
In the winter time, when the day is short, we are constantly is not enough light, and this negatively affects even the psychological state of a person, not to mention the safety of its reaction in relation to viruses.
It recommended by being in the room as much as possible to include lighting, even in spite of the presence of natural light. But, the best is often happen on the street, especially in the winter, sunny days.
Thus, your body will not only be supplemented with vitamin D, which is so necessary, but also get a lot of fun, especially if your campaign is in the forest and park. And, you can walk on a bring your pet dog, which is plenty of room to frolic.Source: www.goodshelp.com