What harm does running a marathon do to the body

Marathon is an extreme sport. If your physical condition allows, you can challenge your limits through running a marathon. However, some people are in poor health and lack physical strength. If they deliberately run a marathon when it is not allowed, they may be overtired or under strong stimulation, which may affect their lives. Because marathon is a long-distance linear sport, running for a long time will lead to a double blow to the body's energy and physical fitness. Therefore, people with many diseases should not run a marathon easily as it will be harmful to the body.

First of all, there is no doubt that exercise is beneficial, the key is the degree.

Generally speaking, exercise is good for health. The most beneficial exercise is slow or medium-speed running. A 5-kilometer run is most beneficial to the heart. The overall distance should not be too long, and the time should not be too long. If you plan to run a marathon, it is best to have a heart check-up beforehand. After confirming that you have no heart disease, you can then train step by step. If there is an item in your life notebook that you must complete a marathon, then work hard towards your goal, and after you finish the race, just cross out this item. That’s enough. After all, moderate exercise over short to medium distances is optimal. The preparation period for a marathon event is at least half a year, and should be longer for beginners. You can gradually increase the amount of exercise by 3 kilometers, 5 kilometers, and 10 kilometers. When running, you should also pay attention to the coordination between the amount of exercise and the intensity of exercise.

Based on current research evidence, deaths from marathon running are extremely rare.

In any case, before doing any exercise, you must consider your own body, physical condition and energy.

So, who is not suitable for marathon running?

According to sports health experts, there are about 10 types of people who are not suitable for marathon running, including: people who have not undergone a comprehensive physical examination; people who have not received systematic training; people who feel moderate chest pain and angina pectoris when doing minor activities; people who have had a heart attack recently; people with rheumatic heart disease and congenital heart disease; people with hypertension or other heart diseases, myocarditis; people with severe arrhythmia; diabetics with high or low blood sugar; people whose blood pressure is still over 180/110 mmHg after taking antihypertensive drugs; and people who are too obese.

Before the competition, if a contestant finds himself or herself having symptoms such as a cold or fever, he or she should stop participating in the competition. Each contestant should take the initiative to go to the hospital before the competition to fully understand his or her body's various indicators and follow the doctor's instructions.

Elderly people should be especially cautious when participating in marathon competitions. As the functions of their organs gradually decline with age, they may sometimes suffer from muscle spasms. They must arrange the amount of exercise according to their individual circumstances.