e/American Headache Society

Information
has gloss	eng: The American Headache Society (AHS) is a professional society of health care providers dedicated to the study and treatment of headache and facial pain.
lexicalization	eng: American Headache Society
instance of	(noun) pain in the head caused by dilation of cerebral arteries or muscle contractions or a reaction to drugs headache, head ache, cephalalgia