A system for creating an electronic health journal comprising: at least one sensor configured to monitor an objective physiological parameter of a user and generate signals indicative of the monitored objective physiological parameter a mobile electronic device comprising: input means for entering information relating to a subjective physiological condition of the user an internal memory device configured to store the information relating to the subjective physiological condition of the user and the signals indicative of the monitored objective physiological parameter as a data log and a transmitter a local base station and a remote data store, wherein the local base station is configured to automatically receive the data log from the mobile electronic device upon the mobile electronic device coming into communication proximity with the local base station and wherein the local base station is configured to transmit the data log to the remote data store.