Certain aspects of the instance disclosure are physiological data updates using a weighing scale and a user wearable device. Specific embodiments concern an arrangement of devices including a user wearable device and a weighing scale. The weighing scale is configured and arranged to monitor a plurality of physiological signals of the user using current-impedance electrodes and select data indicative of a physiological parameter of the user, for display on the user wearable device, based on a threshold value and the plurality of physiological signals.