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PainEDU.org: Improving (Sinus pain) pain treatment through educationPain, ache, agony,

PainEDU.org: Improving pain treatment through education
Pain, ache, agony, anguish are terms for sensations causing suffering or torment. Pain and sinus pain ache usually refer to physical sensations (except heartache); ...
Source: www.painedu.org
MedlinePlus: Pain
Pain is a sensation transmitted from sensory nerves through the spinal cord and sinus pain to the sensory area of the cerebrum, where the sensation is perceived. ...
Source: www.nlm.nih.gov