contagious. Fluctuating levels of Serotonin, which is a chemical that relays messages to the brain, is thought to be the cause of migraines (“Headache Types Defined”). Also, headaches can be caused by an injury to the head. These are normally called concussions, depending on the severity of the injury, and they cause massive migraine-like headaches (Vorvick). Symptoms With headaches, come symptoms. Some signs and symptoms of a tension headache include dull and aching head pain, the sensation…
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