Pain is a universal human experience and the most common reason people seek medical care. In many cases, pain tells us something is wrong, that tissue in our body has been damaged, and we need to do something to change the situation.
Pain – Some definitions you should know:
Algesia: Your sensitivity to pain.
Analgesia: Absence of pain in response to stimulation which would normally be painful.
Hypoalgesia: Diminished pain in response to a normally painful stimulus.
Hyperalgesia: Increased response to a stimulus which is normally painful.
Allodynia: Pain due to a stimulus which does not normally provoke pain.
Pain Threshold: The least experience of pain which a subject can recognize.