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.
However, if the quoted sentence ends in a question mark or exclamation point, and the sentence continues after the quote, the question mark or exclamation point does not change to a comma, the first letter of the first word after the quote is still lower case, and the overall sentence still ends in a period: