Animals can hibernate, slowing down most metabolic features — coronary heart charge, blood circulate, mind exercise, and physique temperature — then waking as if nothing occurred. Humans have by no means finished this, however what in the event that they could? Could hibernation lengthen life and even put it aside? This episode of Vital Signs with Dr. Sanjay Gupta explores world analysis into the molecular mechanics of hibernation and how these talents may sooner or later assist combat most cancers, stop coronary heart illness, deal with despair, and even allow travel to Mars.