When I'm stressed, I know my heart rate and blood pressure go up, and that's bad for my health. So how come it's considered healthy when my heart rate and blood pressure rise when I exercise? Logic suggests that  a little stress now and then might provide the same benefits as exercise.
D001794:Blood Pressure / Q000502:physiology; D015444:Exercise / Q000502:physiology*; D006339:Heart Rate / Q000502:physiology; D006801:Humans; D013312:Stress, Physiological / Q000503:physiopathology*