20. A computerized medical self-diagnostic system comprising: means for receiving an input from a patient via direct interactive dialogue between the patient and a computing device; means for associating said input with at least one stored attribute; means for associating a data structure, stored in a memory on a computer, with the attribute associated with the input from the patient, wherein data in the data structure is referenced by specification of a plurality of stored attributes representative of a medical condition of the patient, wherein the data structure remains unchanged by the receiving an input, wherein a first stored attribute corresponds to a cause of disease and a second stored attribute corresponds to an anatomic system; means for ascertaining a plurality of attributes of a first medical condition of the patient; means for ascertaining a plurality of attributes of a second medical condition of the patient; means for referencing the stored data structure based on a specification of at least one of the plurality of attributes; and means for outputting a self-diagnosis of a new and changing health condition of and to the patient without input from a health care provider based on at least one of said plurality of attributes and the data in the data structure and the specification of at least one attribute determined via said direct interactive dialogue.
20. A computerized medical self-diagnostic system comprising: means for receiving an input from a patient via direct interactive dialogue between the patient and a computing device; means for associating said input with at least one stored attribute; means for associating a data structure, stored in a memory on a computer, with the attribute associated with the input from the patient, wherein data in the data structure is referenced by specification of a plurality of stored attributes representative of a medical condition of the patient, wherein the data structure remains unchanged by the receiving an input, wherein a first stored attribute corresponds to a cause of disease and a second stored attribute corresponds to an anatomic system; means for ascertaining a plurality of attributes of a first medical condition of the patient; means for ascertaining a plurality of attributes of a second medical condition of the patient; means for referencing the stored data structure based on a specification of at least one of the plurality of attributes; and means for outputting a self-diagnosis of a new and changing health condition of and to the patient without input from a health care provider based on at least one of said plurality of attributes and the data in the data structure and the specification of at least one attribute determined via said direct interactive dialogue. 23. The method of claim 20 , wherein the first medical condition and second medical condition are the same medical condition.