Steak is one of the few low-fat meats, with only 0.9g of fat per 100g of steak, much lower than the fat content in pork (47g) and chicken (9g). The vitamin B contained in beef is beneficial for chest development. Grapefruit has the effects of moistening the lungs, cleaning the intestines, and promoting bowel movements. It also contains a large amount of vitamin C, and...