The parts of the body that can experience negative physiological effects from alcohol is the brain, skin,heart,the stomach and the liver.
The answer is Ultraviolet Light
The easiest way for us to obtain a sustainable amount of Vitamin D is by exposing our self to morning sunlight ( which contain ultraviolet light)
Often time, we don't consume enough vitamin D and our body need to get it from our bones, and in order to do that, it need to be activated through enough exposure from sunlght
I think vigorous cause theres a lot of jumping and turning from what I've seen
Explanation:
hope this helped a bit :)