Important for prod of phospholipids - in structure of cell membranes, cholesterol is made from fatty acids and is used for prod of sex and adrenal hormones. Also impt for lubrication and temp. Asia, Africa, Europe. Hunting large mammals as well as previous repertoire. Birds, turtles, mammals, plant material.
Humans have food taboos and prescriptions Human cognitive system affect food selection.
Assessment of dietary adequacy on societal level requires a great deal of information and generalizations about nutrition - culture interactions should be made with caution. As with any profession, the science of nutrition uses standards. Food a. Technology b. Distribution c.