Yam is one of the mildest tonic medicines in Chinese medicine. It is not obvious whether it is cold or hot and can be eaten by people with cold or hot constitution. The yam can nourish the liver, spleen and kidneys, and can nourish both Yin and Yang. What are the health benefits of eating more yams? Prevent cardiovascular disease Winter, the indoor temperature difference is relatively large, coupled with the generally low temperature, is one of the peak season of cardiovascular disease, and yam contains a large amount of mucus protein, vitamins and trace elements, can effectively stop the precipitation of blood lipids in the blood vessel wall, to prevent heart and blood disease, have lower blood pressure, stabilize the mind, very suitable for eating in winter. It is a good idea to eat it in the winter because the amount of exercise in winter is unconsciously reduced, plus the metabolic rate decreases because of the lower temperature, plus the frequency of eating hot pot increases in winter, which makes the chances of suffering from gastrointestinal diseases increase. The yam contains amylase, polyphenol oxidase and other substances that are beneficial to the digestive and absorption functions of the spleen and stomach, and is a dual-purpose product that is a flat tonic for the spleen and stomach. It can be consumed regardless of spleen-yang deficiency or stomach-yin deficiency. Clinically, it is often used together with gastrointestinal drinks to treat weakness of the spleen and stomach, less food and body fatigue, diarrhea and other diseases, so it is worth adding yam to soup and hot pot in winter. Benefit the lungs and stop coughing Winter is dry and cold, which is more harmful to the lungs and throat. In winter, people are prone to dry throat and even pain, yam contains saponins and mucilage, both of which have lubricating and nourishing effects, so it can benefit lung qi and nourish lung yin, treating symptoms such as lung deficiency, phlegm cough and prolonged cough. Nourishing the kidneys Yam contains a variety of nutrients that have the effect of strengthening the body, nourishing the kidneys and benefiting the essence. Moreover, winter vegetables and fruits are less available and more expensive, consuming yam can take in vitamins instead of vegetables and fruits, but yam should remember not to consume with bananas, which can cause diarrhea. The yam contains mucus protein, which has the effect of lowering blood sugar, and can be added to the usual dishes to prevent sudden increases in blood sugar caused by overeating, and long-term consumption, also has the effect of preventing diabetes. The most nutritious way to eat yam is to steam it so that the nutrients are not lost. The taste of steamed yam is lighter and we can eat it together with honey, which is nutritious and does not affect the mutual absorption. Winter is the time when cardiovascular disease is at its peak and eating more yams can be a good way to prevent it.