Pain threshold can vary from person to person, but there are some medical conditions suffered by humans that are so painfully excruciating that they can bring even the toughest to their knees. We are not talking about a bruised elbow or a stubbed toe. Instead, these are serious health-related issues that induce acute pain and distress, with some potentially fatal in their diagnosis.
So, just how unbearable is the unbearable? Click through and examine this list of painful disorders.