Figure 1.

From top left (clockwise)—scatter plot between identification and Western-style diet (WSD) in people with idiopathic olfactory impairment; partial plots of the relationship between threshold, and identification, with WSD in people with sino-nasal disease olfactory impairment; and scatter plot of the relationship between discrimination and WSD in people with olfactory impairment due to trauma (please see Table 4 for associated r values). (A) Identification, (B) Threshold (Standarized), (C) Identification (Standarized) (D) Discrimination.