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.
When it comes to commas and periods, though, logic doesn't enter into the equation, at least not in the United States. Universal American usage places commas and periods inside the quotation marks, regardless of logic. ~Diane, she said, put the book down and go outside for a little while.. ~I will in a minute, she replied, as soon as I finish this chapter..