Since the sympathetic nervous system acts quickly in response to a stressor, but is soon overridden by the parasympathetic nervous system, the primary system that best deals with chronic stresses is the

Stress is a biological as well as psychological response in a threat people think they do not have resources to deal. HPA axis is the primary system that deals with chronic stress. This together with the autonomic nervous system deals with stress.

One health risk and the most important one is obesity, it can cause obesity since you are not leveling your food like you wont ever get full because your just snacking between foods which can also cause diabetes.hope this : )