Final answer:
If a person stays in a state of hypo-stress for a long period of time, they may experience symptoms such as depression, suppressed immune response, severe fatigue, or even a fatal heart attack.
Step-by-step explanation:
If a person stays in a state of hypo-stress for a long period of time, they may notice symptoms such as depression, suppressed immune response, severe fatigue, or even fatal heart attack. These symptoms are mediated by the hormones of the adrenal cortex, especially cortisol, released as a result of signals from the HPA axis.