1. A system for weight loss or weight management of a person, the system comprising: (a) a monitoring unit comprising a transducer arranged to generate a signal representative of the patient's weight; a processor operatively coupled to the transducer and to a memory device; an output device and an input device operatively coupled to the processor; wherein the memory device is programmed with a set of instructions causing the processor to cooperate with the output device to present questions directed toward weight loss and to cooperate with the input device to receive answers to the questions; and (b) a remote computing system in communication with the monitoring unit, the remote computing system being programmed to receive the answers provided by the person and the signal representative of the person's weight and to generate an alert on the basis thereof.