Why your hands and feet are always cold

Hey there, Cold hands. Cold feet. That heavy, sluggish feeling in your legs after a long day sitting down. You can pile on socks and layers, but that only treats the symptom. Your circulation itself goes untrained. Here is something that surprised us. Back in 1930, a physiologist named Thomas Lewis plunged a hand into ice water and watched the blood vessels clamp down, then suddenly open again, cycling between constriction and dilation. He called it the hunting reaction, and it is your body's built-in cold-circulation reflex. Modern peer-reviewed research has confirmed exactly what he saw. Think of cold as a constrict-and-dilate workout for your vascular system, like resistance training for your blood vessels. Here is the catch: the rewarming after you get out is half the workout, and most people skip it. Get the protocol wrong and you miss the best part. We broke down the science and built the exact protocol, temperature, timing, and the rewarming step, on our blog: [Read the Full Breakdown and Protocol] If you have always run cold, this one is worth a read. Ciaran Founder/CEO Inergize Health

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