Migraine and tension-type headache are separate disorders.
Rasmussen
B K
BK
Glostrup Hospital, University of Copenhagen, Denmark.
D006261:Headache / Q000453:epidemiology* / Q000503:physiopathology*; D006801:Humans; D008881:Migraine Disorders / Q000453:epidemiology* / Q000503:physiopathology*; D015995:Prevalence