Stress: Your brain and body

      What is stress and can it be good for you? Does it kill off your brain cells and can it cause depression? How does your brain perceive a terrifying situation and prepare your body for survival?   Your body’s stress response kicks in when you perceive you are under threat. Mammals have evolved this superb mechanism to ensure we have the best possible chance of survival when faced with a life-threatening situation.   Imagine you are in the jungle and you hear movement behind you. You stop…