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What harm does playing football do to your health?
Disadvantages of playing football:

First, the food intake will greatly increase, wasting food;

Second, it will occasionally get injured and increase medical expenses;

Third, it will often trample on the lawn and destroy the greening;

Fourth, occasionally there will be friction with golfers, which will affect communication.

Benefits of playing football:

1. Effectively prevent cardiovascular diseases. During physical exercise, due to intense muscle activity, the heart does more work, the blood supply and metabolism of the myocardium are strengthened, the myocardial fibers are thickened, the heart wall is thickened, the heart volume is increased, the shape is perfect, and the pulse is strong. All this is also a good way to treat cardiovascular diseases. Cardiovascular disease is the number one killer endangering human life in the world today. It is reported that in China, people who died of cardiovascular diseases also ranked first. A large number of studies show that participating in regular physical exercise can significantly reduce the risk of cardiovascular disease formation and occurrence.

2. Reduce the risk of diabetes. One of the characteristics of diabetes is that people's blood sugar level is very high. If it is not controlled, it will cause many other health problems, such as impaired vision and kidney deficiency. Regular physical exercise can control the improvement of blood sugar level, thus greatly reducing the possibility of individual suffering from diabetes.

3. Improve the function of the digestive system. Physical exercise will enhance the consumption of nutrients in the body, enhance the metabolism of the whole body, and thus increase appetite; In addition, it can promote gastrointestinal peristalsis and secretion of digestive juice, improve the functions of liver and pancreas, thus improving the function of the whole digestive system and providing good material guarantee for human health and longevity.

4. Control your weight and change your body shape. Obesity will affect people's normal physiological function, especially lead to heavier heart burden and shorter life span. If a person's subcutaneous fat exceeds the normal standard 15%-25%, then his risk of death will increase to 30%. Because physical exercise can reduce fat, enhance muscle strength, keep joints flexible, control weight and improve body shape and appearance.

5. Enhance heart function. Good physical exercise can enhance heart function, increase stroke output, thicken intima of arterial wall, increase smooth muscle cells and elastic fibers; The number of skeletal muscle capillaries increased and the branches were abundant; Make the coronary artery orifice thicker and heavier; The increase in the number of myocardial capillaries is beneficial to the improvement of blood supply and function of organs including the heart itself. At the same time, physical exercise can also reduce blood pressure and serum cholesterol content, which has a good effect on preventing hypertension and coronary heart disease.

6. In a word, regular exercise can improve various physical qualities of human body. This is because physical exercise is carried out under special conditions and environment. Organisms must mobilize and give full play to the functions of various organs and systems of the body, such as neuromodulation, enhanced breathing and accelerated blood circulation. Over time, various physical qualities will continue to improve.