Answer: pain is a different experience for each person
Pain is a distressing feeling often caused by intense or damaging stimuli. The International Association for the Study of Pain defines pain as “an unpleasant sensory and emotional experience associated with or resembling that associated with actual or potential tissue damage.” In medical diagnosis pain is regarded as a symptom of an underlying condition.
The gate control theory of pain asserts that non-painful input closes the nerve “gates” to painful input which prevents pain sensation from traveling to the central nervous system. In the top panel the nonnociceptive large-diameter sensory fiber (orange) is more active than the nociceptive small-diameter fiber (blue) therefore the net input …
Redness and heat are due to increased blood flow at body core temperature to the inflamed site; swelling is caused by accumulation of f…