If you're having any issues in your bladder or urethra, a cystoscopy might be necessary. A cystoscopy is an interventional procedure that provides a view of the interior of the bladder and/or urethra, ...

In 1846 William G. Morton, a young Boston-based dentist, showed that inhaling ether in a proper dose can make a person insensible to pain without affecting their vital physiologic functions. This ...