Perhaps you've heard of Alain Robert, the daring "French Spiderman" who climbs the world's tallest buildings with no equipment. No ropes. No suction cups. No carabiners. Just his chalked hands and nimble feetUnbelievable. It got me thinking about Robert's adrenal glands, and how they must be accustomed to major stimulation. The adrenals are in charge of your "fight-or-flight" response, prepping your body for action in case of danger. Adrenaline bumps up your blood sugar, yet suppresses digestion. He's probably still pretty hungry by the time he gets to the top.