sir, my age is 27 male, 5' 10'', weight about 72 kg . i do bodybuilding exercises. i have to eat a more than normal. but for last 2 or 3 weeks i am facing irregular and early bowels movement. after one or two hours of eating a meal there is contraction feel in my intestines and i have to go to washroom for stools excretion. i am unable to find what food is causing the problem. every day i eat changed food but the situation prevails. is there anything in my food or i have some kind of disease? previously i have a history of severe stomach pains once or twice a year.