It's the season for walnuts to hit the market, and people looking to boost their brainpower often eat more of them during this time. Walnuts are indeed a great food for health. The phospholipids in walnuts are beneficial for brain nerves; walnut oil contains unsaturated fatty acids, which helps prevent arteriosclerosis. Walnut kernels also contain essential trace elements for the human body, such as zinc, manganese, and chromium. Chromium promotes glucose utilization, cholesterol metabolism, and protects the cardiovascular system, while the levels of zinc and manganese in the body decrease with aging.
The cough-relieving and asthma-soothing effects of walnut kernels are also very significant, showing a clear therapeutic effect on chronic bronchitis and asthma.
Although walnuts are delicious and nutritious, they are considered "heaty" and high in oil. People with weak spleens and stomachs, as well as children with weaker constitutions, should not eat too many, as excessive consumption can lead to "heatiness" in the body, nausea, and in severe cases, diarrhea. It is generally recommended that eating 5-6 walnuts or 20-30 grams of walnut kernels per day is optimal.
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