Does emptying my bladder more often make my bladder stronger?

No. Emptying bladder frequently can help get rid if toxins if you drink a lot of water. But kegel exercises will help strengthen the bladder.
Depends? There are some exercise programs that can help...See yo0u family doc or a urologist...They can give you some recommendations..
Yes or no. Do you do it on purpose as a form of exercise? I am not a nephrologist or urologist. In my honest opinion, it may strengthen your urinary bladder muscles I am not sure, that is my opinion. Would refer you to our healthtaps specialist or see a private nephrologist or urologist. My line of practice is in surgery and self-healing meditation to treat cancers and chronic illnesses as a secondary suppor.