By Alvin Alexander. Last updated: March 25, 2017
From what I can tell by the interactions on the The Mastocytosis Society group on Facebook, there is at least a 10:1 or 20:1 ratio of women to men who have mast cell diseases. Or, more accurately, those are the ratios of people who (a) know they have mast cell diseases and (b) interact in this group on Facebook.
