Chronic diarrhea is a common symptom of both. However constipation can be a problem too. In ulcerative colitis, constipation can be a sign of inflammation in the rectum and in Crohn's disease it can be a sign of an obstruction in the small intestine.
Does the  go before or after the period. I was taught in school, when I was growing up, that the ending quotation mark always goes after the period. However, in college, I'm noticing that's not always what is happening. Same as when I sometimes read news articles. She took her to the party and she remembered saying, have fun.
The only time the period does not go after the parentheses is when you use a block quotation. Block quotations are necessary when you have a direct quote that is over 4 typed lines long. In this case, the entire quote must be indented and the period goes before the parentheses.