Help docs! i'm trying to find out what causes appendicitis, flatulence, ulcers, diabetes, and constipation?

That's a lot...: ...To answer in 400 characters or less (which is the limit we can input for your answer). For starters, do you have all these conditions and are trying to determine if they are related, or are you just curious about a bunch of different disorders? Happy to help, but you may find your answers in the many excellent healthtap responses already posted for each disease entity above.

Many questions.: All are good questions. It would be better to break up the questions as we have limited amount of space to answer your question. Some causes of foot ulcer include trauma, poor arterial or venous circulation, and skin cancer.