Preprint Article Version 1 Preserved in Portico This version is not peer-reviewed

Associations between Taste and Smell Sensitivity, Preference, and Quality of Life in Healthy Aging - The NutriAct Family Study Examinations (NFSE) Cohort

Version 1 : Received: 10 February 2022 / Approved: 17 February 2022 / Online: 17 February 2022 (10:00:37 CET)

A peer-reviewed article of this Preprint also exists.

Lim, S.X.L.; Höchenberger, R.; Busch, N.A.; Bergmann, M.; Ohla, K. Associations between Taste and Smell Sensitivity, Preference and Quality of Life in Healthy Aging—The NutriAct Family Study Examinations (NFSE) Cohort. Nutrients 2022, 14, 1141. Lim, S.X.L.; Höchenberger, R.; Busch, N.A.; Bergmann, M.; Ohla, K. Associations between Taste and Smell Sensitivity, Preference and Quality of Life in Healthy Aging—The NutriAct Family Study Examinations (NFSE) Cohort. Nutrients 2022, 14, 1141.

Journal reference: Nutrients 2022, 14, 1141
DOI: 10.3390/nu14061141

Abstract

Taste and smell function decline with age, with robust impairment in the very old. Much less is known about taste and smell function in young and middle old. We investigated taste and smell sensitivity via thresholds in a sub-sample of the NutriAct Family Study (NFS), the NFS Examinations cohort (NFSE; N=251, age M=62.5 years). We examined different aspects relating to taste and smell function: the degree to which taste and smell sensitivity relate to another and to taste and smell preferences, the role of gender and age, as well as effects on Quality of Life (QOL). Taste thresholds were highly correlated but no correlation was observed between taste and smell thresholds and between thresholds and preference. Women were more sensitive for both taste and smell than men. We found no effect of age on sensitivity and no effect of sensitivity on QoL. All null-findings were corroborated with Bayesian statistics providing evidence for the null hypotheses. Together our results indicate the independence of taste and smell despite their overlap during sensorial experiences. We found no evidence for age-related sensory decline, which could be due to our sample´s characteristics of non-clinical volunteers with good dental health and 93% non-smokers.

Keywords

taste; smell; quality of life; sensitivity; threshold; QUEST

Subject

BEHAVIORAL SCIENCES, General Psychology

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