1 :an abnormal pouch<span> or sac opening from a </span>hollow organ<span> (as the colon or bladder)
2 :a blind tube or sac </span>branching<span> off from a cavity or canal of the body. the liver is an anterior diverticulum of the intestine.</span>
30 minutes a day is the answer
The questions on those medical history forms contain some very important information.
hope this help!