Some types of severe headaches are linked to the body's internal clock

Two severe types of headaches are strongly linked to the body’s internal clock, a meta-analysis published Wednesday found. Cluster headaches are a rare type of headache that cause bursts of intense pain around the eye. Each burst lasts about 15 minutes, but an attack can last between one and three…

#cluster #markburish #uthealthhouston #burish #circadian #narayankissoon #mayoclinic #rochester #minnesota #andrewcharles