Mutton has the effects of strengthening yang, nourishing essence and blood, and treating lung deficiency, which is quite beneficial to patients with asthma, tracheitis, lung disease and deficiency-cold syndrome. It can also tonify kidney, strengthen yang, tonify deficiency, keep out the cold and strengthen the body. It is a treasure of nourishing and dietotherapy in winter. However, it should be noted that mutton is warm after all and not suitable for everyone. People with excessive fire due to yin deficiency, excessive cough and phlegm, indigestion, arthritis, eczema and fever should not eat.
Pork supplements iron, and there is a big difference between fat and thin. Fat is high in fat, but low in protein. Eating too much can easily lead to hyperlipidemia and obesity. Most of protein is concentrated in lean meat, which also contains hemoglobin, which can supplement iron and prevent anemia. Hemoglobin in meat is better absorbed than that in plants, so eating lean meat to supplement iron is better than eating vegetables.
Secondly, eating meat must not be excessive, because meat contains purine base in addition to high fat content, which is easy to generate uric acid in the body. A large amount of uric acid accumulation can cause gout, skeletal dysplasia and other diseases. The latest research also shows that eating too much meat will reduce human immunity and make it difficult for the human body to resist various diseases.
I hope my answer can help your friend.