> the brain related to anxiety anxiety likely may produce some healthy behaviour reaction: animal starts running/hunting/escaping more, which may increase heal

> the brain related to anxiety anxiety likely may produce some healthy behaviour reaction: animal starts running/hunting/escaping more, which may increase health indicators. Many humans start overeating, which is bad. Story from my life: when I was in some stressful life situation, I exercised much more driving my anxiety/fear in that direction, and got the best fitness results in my life.