All colors of light do not have the same effect. Blue wavelengths that are beneficial throughout the day because they stimulate attention, reaction time..
Daily, Americans are exposed to several of the eighty thousand chemicals currently used in the United States, few of which are effectively examined for their health effects.
The nutrients in food are the nourishing content. Food without a nutrient is therefore not food. Food is the basic necessity of life and if we go back in time then Hippocrates would tell you that food is also medicine for the body