What five factors influence the amounts of nutrients needed by people at each stage of life cycle

Which action is characterized of mental illness 1.brushing teeth every hour because ones mouth feels dirty ? 2. forgetting to eat breakfast on a busy day? 3.crying three days over a relationship breakup? 4.feeling embarrassed about going to school after failing in front of friends?

True or false. mucous membranes secrete mucus that traps pathogens.

Which of these is a controllable risk fator for disease