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.
Though not necessarily logical, the American rules for multiple punctuation with quotation marks are firmly established. (See here for a brief explanation of the British style.) Commas and periods that are part of the overall sentence go inside the quotation marks, even though they arenât part of the original quotation.