2, because eating walnuts in moderation every morning can supplement human nutrition and improve the quality of breakfast. Because walnuts are rich in protein, fat and calcium, but not cholesterol, patients with hypertension and atherosclerosis can also eat walnuts in moderation at breakfast. After breakfast, people's metabolism is faster, and the task of work or study is heavier, so eating walnuts in moderation can supplement human nutrition, and it is not easy to accumulate fat, and the body is not easy to get fat.