Breadcrumb Home It's nothing to sniff at: Men have bigger noses because of more muscle Tuesday, November 19, 2013 WQAD http://www.nbcnews.com/health/its-nothing-sniff-men-have-bigger-noses-because-m… Men may have larger noses than women because they generally have more muscle, demanding larger noses to breathe in more oxygen, new University of Iowa research shows.