A method, device and system monitoring and management of a persons health by measuring changes in hemodynamic parameters is provided. The method includes the steps of inputting personal data into a device worn by a user calibrating the personal data to set a base line for analysis, monitoring changes in health-related data of the user, recorded by the device and transmitting the health-related data for analysis analyzing the health-related data for changes in hemodynamic parameters and outputting the values based on the analysis, thereby allowing a diagnosis of the users health to be made from the output values.
