Inflammatory bowel disease may cause growth of polyps and pseudo-polyps
Fiber can actually help prevent hemorrhoids by promoting regular bowel movements and reducing strain during bowel movements.
Hyperthyroidism can cause an increase in bowel movements, leading to diarrhea or frequent stools. This is because an overactive thyroid gland can speed up the digestive process, resulting in more frequent and loose bowel movements.
First of all, if you're concerned that you have an eating disorder, you may need to contact a doctor or psychiatrist, talk to your parents, or peers. Eating disorders are not healthy, and can do lots of long term damage to your body. To answer your question: All of the above, and much more. Any change in your diet, the frequency with which you eat, or even your environment (added stress from a new job, moving into a new house) can result in a change in your bowel movements. There is no perfect definition of a 'normal' bowel movement, and there are many factors which can cause changes in your bowel movements. However, if you're experiencing less than 3 bowel movements a week, or more than 3 watery bowel movements a day, you may need to contact a doctor.
Hemorroids.
if you eat hot chili may be the cause
ew. no. that's gross.
That is not common with those such foods, no.
Kidney failure just like heart failure can cause difficulty with bowel movements especially when osmotic agents are taken without caution causing dehydration and mineral imbalance.
Much of the research performed by scientists shows that an enlarged prostate can cause urinary problems. However, people that experience enlarged prostates can have irritable bowel syndrome which causes frequent bowel movements. Not much has been experienced by individuals suffering from an enlarged prostate and trouble having bowel movements.
It can, yes.
Laxative. It should be noted that ALL foods cause bowel movements! (Laxatives promote bowel motility which causes the fecal bolus (poop) to move more quickly through the GI tract).