A data management unit for supporting health control and avoiding wrong dose suggestion, the unit including: a processor to provide a dose helper functionality with regard to a predefined medicament, a display, a data input unit, a data storage, a clock unit adapted to determine the absolute time of a dose helper request received by the data input. The processor is adapted to initiate storing at least the time of a dose helper request that is outside the time range around the usual dose time in the data storage. The processor is further adapted to execute the dose helper functionality only if the time of the most recent dose helper request is within the dose time window around the usual dose time. The processor is further adapted to initiate sending a recommendation message for change of usual dose time and/or dose time window to the display.
