Long-term constipation can cause rectum cancer

Constipation is to show excrement and urine has stopped inside bowel long, often constipate is illogical, defecate time is lengthened or have meaning and defecate is difficult person. Healthy National People's Congress is to discharge defecate everyday, figuration of softness of excrement and urine, defecate unobstructed. Every 2-3 day is longer even ability defecate, call constipation right now.

Constipation is to show excrement and urine has stopped inside bowel long, often constipate is illogical, defecate time is lengthened or have meaning and defecate is difficult person. Healthy National People's Congress is to discharge defecate everyday, figuration of softness of excrement and urine, defecate unobstructed. Every 2-3 day is longer even ability defecate, call constipation right now.
Why can constipation cause cancer of colonic, rectum? Modern medicine thinks to have the following sides:
1, constipation, especially long-term and chronic constipation, dry excrement and urine often stays at large intestine, cannot seasonable eduction, produce undesirable mechanical sex physics to spur action to alvine mucous membrane necessarily, cause alvine mucous membrane to produce inflammation.
2, the one part inside alvine path have not digestive is adipose, protein wait, in bowel action of bacterium of oxygen of path be disgusted with falls, be like,can produce amine inferior saltpetre amine, phenolic kind, ammonia kind, occasionally the chemical carcinogen such as azotic benzene, still produce the noxiousness product such as hydrogen of indole, methylic indole, vulcanization.
3, tall adipose meeting causes bile to secrete grow in quantity, its bile acid falls in action of bacterium of oxygen of the be disgusted with inside alvine path, can create the carcinogenic substance such as deoxidization cholic acid, and the effect that outcome has adipose degradation possibly also to cause cancer or cause cancer in coordination.
4, when constipation, excrement and urine and these carcinogen chairman time stay inside alvine path, mucous membrane and carcinogen contact large intestine for a long time, produce canceration possibly.