True strength comes from within you. What matters is not what kind of body you have or how you look, but what matters is your heart. The kind of heart you have, the kind of thoughts you have, and the thoughts determine the actions. So, if you are not strong inside, you will not have strong motivation. To make yourself strong, you must first cultivate your heart and make it strong enough. Coronary heart disease is one of the most common heart diseases, which refers to myocardial dysfunction and/or organic lesions caused by narrowing of the coronary arteries and insufficient blood supply, so it is also called ischemic heart disease (IHD). Symptoms include a crushing pain in the center of the chest that may extend to the neck, jaw, arms, back and stomach. The symptoms of coronary heart disease, a common heart disease in the elderly, are more pronounced and usually manifest in difficulty in breathing at night when sleeping, requiring a change of position or a high pillow to fall asleep, which is only one of the symptoms of coronary heart disease. In addition, the symptoms of coronary heart disease are: a. Coughing and sputum Coughing and sputum can occur due to congestion in the lungs when the coronary heart disease is not fully functioning. The amount of sputum is usually not much, but in severe cases, there may be pink foamy sputum. Syncope During the onset of coronary artery disease, the symptoms of coronary artery disease are heart rhythm disturbance, heart rate is too fast, too slow, conduction block, cardiac arrest, etc. can reduce the amount of cardiac blood displacement. Because the brain is very sensitive to hypoxia, the brain blood supply is insufficient, the lighter the dizziness, the heavier the vertigo or even syncope. Shortness of breath Feeling insufficient air or difficulty in breathing, this kind of shortness of breath has the characteristics of aggravating when active, reducing when resting, aggravating when lying down and reducing when sitting. Pain When exertion or nervousness, there is stuffy pain behind the sternum, precordial area, tightness-like pain, which lasts for a short time and can be relieved by itself after rest. Pre-treatment of coronary heart disease 1. Reduce the daily intake of cholesterol. Cholesterol intake should not exceed 300mg/day, or less than 100mg/per kcal total calories. 2.Fat intake should not exceed 30% of total calories, of which saturated fatty acids should be controlled to less than 10% of total calories. Increase polyunsaturated fatty acids, so that the ratio of saturated fatty acids to unsaturated fatty acids and polyunsaturated fatty acids should be 0.7:1:1. 3.Eat complex carbohydrates, and eat less or no simple carbohydrates such as sucrose or glucose. If you are overweight (standard weight ± 5 kg is normal), you should further restrict the total calories or increase physical activity appropriately. 5.Advocate to eat more fresh vegetables and fruits, consume soybean products and liquid vegetable oil. 6, try to eat less fatty meat, animal oil, high-fat dairy products and egg yolk, animal offal and other foods rich in saturated fatty acids or excessive cholesterol. 7, do not soften the drinking water.