Longevity old people like to eat millet best, and regard millet as the best tonic. Sick old people often use millet to nourish their bodies. Xiaomi. Benefiting the five internal organs, thickening the stomach and strengthening the bones and muscles. The American Medical Association, which takes corn as its staple food, made a survey and found that none of the native Indians in the United States had high blood pressure and arteriosclerosis, so they just ate old corn. Doctors found that old corn contains a lot of lecithin, linoleic acid and vitamin E, so it is not easy to get high blood pressure and arteriosclerosis.