This is also the reason why a lock-down against a virus is not always the best option for healthy people. A lock-down causes stress and this weakens the immune system.
Personally I think it is obvious why the connection between stress and 'subsystems' is there.
Stress puts the body into survival mode. Heavy breathing is an example. But when the stress holds on for too long it exhausts your body causing all kinds of trouble. The most extreme example is a burnout.
Personally I think it is obvious why the connection between stress and 'subsystems' is there. Stress puts the body into survival mode. Heavy breathing is an example. But when the stress holds on for too long it exhausts your body causing all kinds of trouble. The most extreme example is a burnout.