Pain is a distressing feeling often caused by intense or damaging stimuli. The International Association for the Study of Pain's widely used definition defines pain as an unpleasant sensory and emotional experience associated with actual or potential tissue damage or described in terms of such damage,People feel pain when a signal travels through nerve fibers to the brain for interpretation. The experience of pain is different for every person, and there are various ways to feel and describe pain. This variation can, in some cases, make it challenging to define and treat pain,Pain can be short- or long-term and stay in one place or spread around the body.