Fig. 1
From: Interictal osmophobia is associated with longer migraine disease duration
Frequencies of the main odorants involved in osmophobia. The questions asked to investigate osmophobia were: “Question 1) Are you sensitive to odors before a migraine attack?”, “Question 2) Are you sensitive to odors during a migraine attack?”, “Question 3) Are you sensitive to odors on days without migraine?” and “Question 4) Can odors trigger migraine attacks in you?“