Shames runs hot. His mom runs cold. He figured there must be a way for them to coexist peacefully. So he started researching, digging into physiology journals to get a better understanding of how we experience temperature. One paper held the key to the Wristify concept. It detailed how locally heating and cooling different parts of the body has all sorts of effects on how hot or cold we are–or, more accurately, how hot or cold we think we are. “There’s a big perceptual component to it,” Shames says.
“The human body and human skin is not like a thermometer. If I put something cold directly on your body at a constant temperature, the body acclimates and no longer perceives it as cold.” Think of what happens when you jump in a lake. At first, it’s bracingly cold, but after a while, you get used to it. By continually introducing that sudden jolt of cold, Shames discovered, you could essentially trick the body into feeling cold. Wristify basically makes you feel like you’re continually jumping into the lake–or submerging into a hot bath.
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