This validated self-administered and self-scored 8-odorant test employs the odorants used in the 2013-2014 U.S. National Health and Nutrition Examination Survey (NHANES); namely, chocolate, grape, onion, leather, natural gas, smoke, strawberry & soap. Can be self-administered and self-scored in 2 minutes. Normative data available on the NHANES public database. Example references: Rawal et al. (2015) Chem. Percept. 8, 138-148; Liu et al. (2016) BMJ Open Nov 9;6(11) doi: 10.1136/bmjopen-2016-013245; Bigman (2020) Nutrition Apr 2:12(4):984 doi: 10.3390/nu12040984; Zheng et al. (2020) Int. J. Environ. Res. Public Health Feb 3;17(3):943. doi: 10.3390/ijerph17030943.