“…A growing body of evidence suggests that metabolic factors modulate the first steps by which rodents detect odor, within the olfactory mucosa and bulb (Palouzier-Paulignan et al, 2012). The activity of OB neurons is influenced by metabolic hormones, including orexins and leptin (Prud'homme et al, 2009), insulin (Aim e et al, 2012, adiponectin (Loch, Heidel, Breer, & Strotmann, 2013), and ghrelin (Loch, Breer, & Strotmann, 2015).…”