No, reasonable exercise and a reasonable diet will not make you fat. Teenagers should combine coarse grains with flour and rice. Because of the special demand for nutrients and energy (energy food) in growth and development, and the physiological requirement for hormone level, coarse grains not only hinder the absorption and transformation of cholesterol into hormones, but also hinder the absorption and utilization of nutrients. For example, eating too much "coarse grains" will affect the absorption of protein, inorganic salts and some trace elements, and even affect the human reproductive capacity. So coarse grains should be served with flour and rice.

Extended data:

Compared with the white flour and rice we usually eat, coarse grains mainly include all kinds of dried beans, such as mung beans, soybeans, mung beans, red beans and corn, wheat bran, purple rice, sorghum, oats, buckwheat and so on.

All kinds of coarse grains contain different nutrients, and beans are rich in high-quality protein and fat; Sorghum is rich in fatty acids and iron; Oats are rich in protein; Millet is rich in tryptophan, carotene, iron and B vitamins. Compared with coarse grains, polished white rice and polished white flour lost some nutrients during grain processing, especially vitamin B 1 and inorganic salts. Coarse grains are simple to process and retain many nutrients that are not found in flour and rice. In terms of nutrients, the content of protein in coarse grains is relatively low, while the content of starch, cellulose, inorganic salts and B vitamins is rich.

Usually eat coarse grains, such as dried beans such as soybeans, red beans, mung beans, black beans and so on. ; Millet, corn, sorghum, oats, buckwheat, wheat bran, etc. Generally, it is solid, and it can be made into a drink with grains, giving people a refreshing feeling. Not only can the nutrients beneficial to human health in the grain be retained, but consumers can also drink beverages with better taste, more convenient drinking and easier absorption.

References:

Baidu encyclopedia-coarse grains