The so-called bad heart should refer to coronary heart disease! In traditional Chinese medicine, it is called chest bi, paralysis syndrome. Coronary heart disease can range from mild to severe. When the coronary arteries are blocked to 50%, most people don't feel it yet. People can still run at this time. When the blood vessels are blocked to more than 70%, most people will have symptoms of chest tightness, palpitations, shortness of breath, general lack of energy, mild angina, etc. At this time, it is not recommended to run, but you can walk freely. When the coronary arteries are blocked to 90%, you cannot run, especially in the cold winter. It is very easy to suffer from acute myocardial infarction and lose your life. This is no joke.
So, if you have mild heart problems, you can still run. As long as there is no problem, just run. But those with moderate heart disease can trot and jog. For moderate or above heart disease, it is better not to run, just take a walk to avoid danger