Vitamin D is an essential nutrient. That means the human body needs it but can’t make it on its own. While people can get vitamin C, calcium, and pretty much all of the other essential nutrients from their diet, few foods contain much vitamin D. Humans have historically gotten their vitamin D fix from sunlight; ultraviolet (UV) light exposure causes a chemical reaction in the skin that allows the body to produce vitamin D.
When you have the capacity to choose where to direct your attention, you will not be driven by your emotions. Emotional regulation is paramount to the quality of life because it affects almost every aspect of our lives.