Philizy on SmartJay

Your body has a built-in superpower mode. When you're terrified or thrilled, your adrenal glands dump adrenaline and your heart can go from 70 to 180 beats per minute in seconds. Blood is yanked away from your stomach and skin and shoved into your muscles, your pupils blow wide to take in more light, and your pain tolerance spikes. That's why people can lift insane weight, run faster, or feel no pain in a crisis. It's the same rush you get on a rollercoaster or watching horror — your body literally thinks you're fighting for your life and turns you into