A system for managing the food intake of a person comprises means for collecting information about food consumed by the subject, and means for providing feedback to the subject regarding the food consumed. It further comprises a sensor 57 for obtaining a signal related to the person and monitoring means for generating the information by performing a pattern recognition of the obtained signal for detecting whether the person is consuming food. The sensor comprises a camera and the pattern recognition comprises image processing. The image processing comprises the detection of a mouth and of a hand and of food. The system further comprises means for causing an audio/video-rendering device 56 to deliver the feedback. The camera is attached to the rendering device. The system further comprises means for identifying available rendering devices 56 arranged for being caused to deliver feedback.
