... pertaining to age, gender, city of residence, annual income, and education were in- cluded. Specifically, age, gender and city of residence defined the parameters of the samples. Measurement of ... axis and neural supply of lymphoid tissues. (16) In a study performed by Berk LS, et al., they found increased blood levels of interferon-gamma in ten healthy fasting males after being shown ... and declaration of anonymity and confidentiality was presented to all participants. After completing the survey participants were given a briefing about the study. Any incomplete surveys of...