“…It should be noted that olfactory literature indicates that increasing age tends to reduce olfactory sensitivity, whilst the effect of gender on olfactory sensitivity depends on several factors including the study, odorant compound tested, and the test task performed (Bliss, Schulz, SENGER, & Kaye, 1996;James Evans, Cui, & Starr, 1995;Klimek, Gudziol, Owen, Pauli, & Hummel, 2000;Nguyen, Rumeau, Gallet, & Jankowski, 2016). To ensure any that age and gender factors were captured in the study, both female and male participants were selected over three age groups 1) under 30 years old, 2) 30 to 50 years old and 3) over 50 years old.…”