Sudden death due to constipation is not a few people, constipation for high blood pressure, heart disease and diabetes in a variety of diseases is very dangerous, and may even die on the toilet. When there is high blood pressure, cerebral arteriosclerosis, coronary heart disease and other diseases, if there is constipation will be in the defecation of abdominal pressure increases, the amount of blood back to the heart changes. The heart is suddenly subjected to violent impact, heart rate accelerated, causing strong heart contraction, myocardial blood supply is insufficient ischemia and hypoxia caused by chest pain and chest tightness, precordial discomfort, the consequences of the serious can cause heart attack. For cerebral arteriosclerosis patients constipation, force improper or too violent, cerebral blood vessels, caused by the brain blood circulation is blocked, easy to cause brain cells ischemia and hypoxia, causing stroke. Other hazards of constipation: cause intestinal obstruction, hemorrhoids, anal fissure, facial discoloration. A few major causes of constipation: 1, primary constipation: women more than men, its physiological structure determines 2, habitual constipation: is not to develop a good habit of defecation, there is no intention to defecate in a timely manner, intestinal paralysis sensitivity is reduced, intestinal water is absorbed, resulting in the feces dry 3, eat too fine: now the standard of living is good, people eat more and more picky, more and more fine, the feces stay in the intestinal tract, the fecal matter, the fecal matter, the feces, the feces, the feces, the feces, the feces, the feces. This makes the feces stay in the intestines and not easy to be discharged. 4, eat too greasy: too much fat intake, meat is not easy to digest, fat protein content is high, slow digestion, stay in the body for a long time, slow discharge of waste, easy to cause constipation. 5, sedentary: modern transportation developed, work with computers, people rarely walk sports, sitting in front of the computer a whole day, the gastrointestinal tract slows down, the intestines reabsorption of water too much, resulting in dry stools, difficult to discharge. Second, the prevention of constipation a few notes: 1, diet (1) eat less persimmons, high tannins, astringent effect, easy to cause constipation. (2) sticky food easy to cause constipation, rice cakes eat less. (3) All fried foods are easy to fire, to eat less. (4) Combine meat and vegetables, eat less food with high fat content. (5) Coarse and fine with more food containing high dietary fiber. Various vegetables, fruits, potatoes, etc. (6) defecation to concentrate, do not read the newspaper, will forget to defecate, resulting in defecation and hemorrhoids. 2, exercise half an hour after meals must exercise, can consume energy, promote gastrointestinal peristalsis, usually develop the habit of exercise, strong body. 3, if there has been constipation can be appropriate to use lubricants such as Keseru. Constipation is very harmful, must pay attention to, especially the elderly, and a variety of chronic diseases.