An obesity preventing and tracking system, the system comprising: at least one in-building overweight and obesity preventing module for collecting anthropometry information from a person at a fixed location in order to forecast and prevent development of an obesity condition; and/or at least one on-board vehicle overweight and obesity preventing module for collecting the anthropometry information from the person in a vehicle operable by the person in order to forecast and prevent development of an obesity condition and/or at least one entertainment overweight and obesity preventing module for collecting anthropometry information from said person while said person is a guest at an entertainment facility in order to forecast and prevent development of an obesity condition; and a communications network for linking at least one in-building overweight and obesity preventing module and at least one on-board vehicle overweight and obesity preventing module and at least one entertainment overweight and obesity preventing module to a trend obesity preventing service for predicting the development of an obesity condition of the person.