PAIN
<p>Oct 23, 2012 08:15 PM
 
unpleasant feeling... motivates the person to withdraw from damaging situations to
protect and to avoid similar experiences in the future.
 
See Evolutionary and behavioral role:
part of body's defense system,  produces a reflexive retraction...  protects affected part
and to avoid that harmful situation in the future.
 
People with congenital insensit. to pain have reduced life expectancy.
 
Richard Dawkins... "why not just a  RED FLAG"
red flag might be insufficient...  drives must compete with each other;
those pains which mean certain death when ignored will become the most powerfully felt.
intensity reflectics the relative importance to our ancestors  (lack of food, too much cold,
serious injuries...
 
 
 
 </p>