Now that you understand that I believe cold environments were how life first evolved, what implications does this hold for all life and humans today? I think with this thought experiment we need to begin to talk about another aspect of evolution to fully conceptualize how cold works for biology. Let’s talk about sleep for 4 short minutes. First, I want you to watch this video before you proceed.
Recently, one of my readers pointed out he was confused by Dr. Gamble when she said the normal pattern of sleep in a natural environment had two cycles. He wanted to know why her version and my version for sleep as written in my post “Rx for the Leptin Rx” were not congruent. It was a great question that really opens the discussion to the idea of evolutionary mismatches. These mismatches occur in many modern systems of biology, and they are actually increasing in frequency and severity as time elapses. The reason is quite simple. Evolution is constantly getting faster as time goes on, relative to the current state of our genome. This is really how the “cellular theory of relativity” is currently affecting our own genome today. The speed of evolutionary change has far out stripped the ability of our paleolithic genes to catch up. This mismatch causes major problems for modern humans. When they further exacerbate the system with choices not congruent with our biology, the results are magnified in disease incidence and prevalence.
She also mentioned in passing, early in her talk, that people who went deep into the ground have been found to be “very productive” while in a cold dark environment. She did not expand on this concept at all, but I would strongly suggest you remember this as the cold thermogenesis series progresses on. There is a deep biologic reason this occurs. As we use this pathway, lots of things improve that we do not expect.
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