You were so hungry that you barely chewed your meal. Now, a big chunk of food is stuck in your throat. If only there were someone around to help you. Your face is turning blue. Is this it? Is this how your life will end? But what if you're the one who is choking and no one is there to help you? How much time would you have before dying? Should you drink water to push the food down? And how could a chair save your life?