Despite a physician's solemn duty to do no harm, total disregard for a patient's safety and continued existence have occasionally proved to be the missing ingredients in significant medical breakthroughs.
3Leprosy Is Treated With a Drug That Causes Birth Defects
Leprosy is the closest people get to becoming zombies without actually eating anyone. Not only does it rot your flesh from your bones like old lettuce, it is also so painful that it relieves you of the burden of getting any sleep, because once the universe decides to make you a leper, it doesn't want you to miss a single minute of it.
"Oh yeah, you've gotta be awake for this."