This is all bought on by the «cold shock response». (chestsculpting.com)
And to measure cold shock, researchers normally have to inject single cells with an indicator which measures levels of calcium. (newscientist.com)
Rhonda Patrick, PHD writes «cold exposures increase cold shock proteins including one in the brain that repairs damaged synapses and in muscle prevents atrophy, how a cold - induced catecholamine lowers inflammation and pain by decreasing the levels of 3 inflammatory mediators...» This is very, very interesting stuff and it's grounded in evolutionary science. (ancestralsupplements.com)