Oats can be counted as grains, because grains generally refer to edible plants. Contains some starch. In terms of nutrition, it is not as good as wheat and rice. If you are poor, it is better to eat more rice and white flour. But now is the period when the disease of affluence is prevalent, that is, the period of overnutrition, so it is healthy to eat more miscellaneous grains. More and less are relative. For example, in the 1950s and 1960s, it was right to advocate eating more meat, rice, noodles and nutrition. At that time, eating more was once a month, which was really not much by current standards. But modern people are still using the slogan of fitness decades ago, always giving children more meat and health care products, which is damaging their health! Obesity, hypertension and diabetes are coming.

Any food with medicinal value cannot be used as a staple food, which will spoil people. High economic value does not mean good food. Ginseng is very valuable. If you eat it often, you will spoil people.