Effect of behavior on bone health

Behavior of human beings affect on bones health either positively or negatively. People whom prefer to live in closed dark flats exposing their children to severe complications that may affect the bones due to inadequate level of vitamin D level in the bodies of the children of those parents whom live in dark home without direct exposure to the sun light, Further more if those children are not feed by natural lactation their bone health may deteriorate and may have difficulties in walking due to their bones weakness.