1. A method of monitoring one or more symptoms of a person using an electronic device, comprising the steps of: (a) repeating, over a period of time, the steps of: (i) displaying by the electronic device, to the person, one or more symbolic representations corresponding to one or more symptoms from a predefined set of symbolic representations for selection by the person; and (ii) electronically recording data on the electronic device regarding the one or more symbolic representations selected by the person, the data that is electronically recorded on the electronic device comprising, (i) identification of the one or more symbolic representations displayed by the electronic device and selected by the person in step (a)(i) as being one or more symptoms of the person, (ii) identification of the time at which the selection of the one or more symbolic representations is made by the person, and (iii) identification of a geographical location of the electronic device at which geographical location the selection of the one or more symbolic representations is made by the person; (b) based on the data that is electronically recorded on the electronic device, generating by the electronic device a history of the symptoms of the person over the period of time; and (c) displaying by the electronic device the generated history, including showing a relationship of one or more symptoms of the person to time.