Something as small as the opening at the end of your penis can cause trouble. Some people call it your "pee hole." Meatal stenosis means this opening is too narrow. And passing urine (pee) can cause ...

The term “ulcer” means a sore that does not heal quickly. If an ulcer develops at the site of a blood vessel, it can cause bleeding. Excessive ulcer bleeding is a medical emergency as it can cause ...

Francisco J. Rivera Rosario is a science communications editor experienced in developing all types of science content including, scientific journal articles, infographics, medical educational videos, ...