Welcome to healthcaremagic.I hope by now you must have got some basic idea about the troubles suffered by your intestines as informed by my colleague Dr.Raghu.Anyways i would like to advice some more tips with his advice.
1.Eat at regular time intervals.
and alcohol completely.
3.Do regular exercise.
4.Eat green leafy vegetables,fruits,salads,good combination of Carbs,Proteins
5.A glass of milk at breakfast.
6.Take Antacids in view of the black stools.
7.Consider consultation with a gastroenterologist in view of the green and black stools and also to confirm the cause of your strong gastro-colic
8.A stool examination is pertinent to exclude or confirm an occult/overt blood loss which could be due to intestinal bleeding or worm infestation.
Above all this try to maintain a very healthy life style as described above.Hope your queries have been answered satisfactorily.
Have a healthy life.