The purpose of this study was to measure the effect of nausea and learned food aversion on relationships linking food neophobia to appetite and food rejection. A total of 250 questionnaires were completed. Path analytic model was used measure the effect of mediator. Results of the study demonstrated that the path analytic result for the data also indicated excellent model fit. The influences of food neophobia on nausea and food rejection were statistically significant. The influences of nausea on learned food aversion and appetite were statistically significant. The influences of food neophobia on learned food aversion and appetite were not statistically significant. The influence of nausea on food rejection was not statistically significant. Moreover, nausea and aversion played a perfectly mediating roles in the relationship between food neophobia and appetite. Aversion also played no mediating role in the relationship between food neophobia and food rejection.