The present disclosure includes a device and method of measuring an individuals cortisol awakening response a device and method of measuring an individuals diurnal cortisone level, including the basal cortisol level a device and method of indicating an individuals stress profile based on sweat cortisol measurements a device for measuring and interpreting sweat analytes relevant to risk-taking behavior and a method of determining an individuals risk-taking propensity based on measurement and development of sweat analyte profiles.