Obesity is the second leading cause of preventable death in the United States.
Introspection involves reporting your thoughts, feelings, and: sensations
The Nervous system releases dopamine and other reward chemicals in response to stimuli. Some such stimuli are addictive substances such as nicotine. When this happens the endocrine system sends bodily messages to relax. Having too much of an artificial substance provoking reward chemicals in your brain results in you not responding or producing enough on your own. Thus how addiction begins to occur. Hope this helps!
an egocentric child is in the preoperative stage of development