Methods and apparatus for the detection and reduction of health risks aredescribed. A method for thedetection and reduction of health risks includes a central coordination systemreceiving requests to storedata from a sensor badge unit that is being worn by end users. The requestdata may include raw sensordata and state information about the end user. Additionally the centralcoordination system receivesrequests from clients to access the data stored. The central coordinationsystem applies aggregationpolicies based on the credentials of the requesting user. The centralcoordination unit additionally storesa list of challenges and rewards. The central coordination system sends amessage to the user client devicecontaining the challenges and confirmation of certain rewards when theactivity of the end user reachescertain thresholds. These thresholds, the rewards, and the challenges may beadded via the employerinterface, or via the insurance company interface. These challenges may bepushed to clients, and clientsmay request challenges. Included are the apparatus to attach the sensor unitto the access badge of anend user, the apparatus to send the data to the central coordination system,and the methods to processand store the data.
