Pain, Olfaction, Pheromones, and Synaesthesia

   Pain is an unpleasant feeling often caused by intense or damaging stimuli that is triggered in the nervous system. Pain can be sharp or dull. It maybe come or go or it can have lasting affects. Examples of pain are: stubbing a toe, burning a finger, putting alcohol on a cut, and bumping the "funny bone." You could feel pain in one area of the body or all over (ex. when muscles ache because of the flu.)

   Medical experts would say that pain is  necessary in determining certain types of medical problems. Without the feeling of pain a person might not know that they have problems within their body. Pain motivates the individual to withdraw from damaging situations, to protect a damaged body part while it heals, and to avoid similar experiences in the future. But what about those who simply cannot feel pain? They would have a complex/dangerous life considering they would never know their limits. Imagine having to constantly care for someone who cannot feel pain. Something daily such as eating, taking a shower, using the restroom could result in a serious injury.

   I found an interesting video about a little girl who was diagnosed with

Hereditary Sensory Autonomic Neuropathy. Within this disease there are also different types of sub ones that stem from HSA. This is a rare condition that has only been diagnosed in a handful of people and affects the sensory nerves. This is a disease in which you cannot feel pain and anything you do can cause a risk to your health. I find this to be very sad and I hope we can advance in the research towards this disease to hopefully be able to find a cause and a way of preventing or treating it...