Downloadable health software for viewing, sharing, reporting, maintaining, managing, monitoring, and analyzing analyte data. None of the foregoing in the field of personal emergency response systems (PERS) or mobile personal emergency response systems (MPERS) except in connection with management of diabetes. Downloadable software used for the management of diabetes; downloadable software for use with glucose sensors; downloadable software for use with ketone sensors; downloadable glucose reporting software; downloadable ketone reporting software; downloadable software for use with glucose monitoring systems; downloadable software for use with ketone monitoring systems; downloadable software for glucose monitoring, tracking, reporting, analysis, sharing, and management; downloadable software for ketone monitoring, tracking, reporting, analysis, sharing, and management; downloadable software for health data management in the field of diabetes management; downloadable health and lifestyle software for use in connection with diabetes management; downloadable software for viewing, sharing, reporting, maintaining, managing, monitoring, and analyzing data and information in the field of diabetes management; downloadable software for providing education in the field of diabetes management; downloadable software to facilitate support and sharing of information in the field of diabetes management