Gordo Posted September 1, 2016 Report Share Posted September 1, 2016 You can't just look at it as a single factor. In what country/region do large groups of people practice cold exposure + optimal nutrition + optimal BMI? I haven't found any such cohort, but it would certainly be great if it existed. Eskimos and similar groups are pretty notorious for poor diets (when they aren't freezing to death). "Rich" countries have had indoor heating for a very long time, so no serious cold exposure, and before they were rich, they had poor nutrition. To eat an optimal diet you need lots of fruit and vegetables, and where do the most fruits and vegetables grow best? Warmer climates. For sure we need more long term human studies (maybe a few people from this group will be called upon by future researchers), but the best available evidence we have right now seems to be very encouraging, and has certainly caught the attention of many active researchers lately. For people looking for a more concise (compared to this long thread) summary of the science, I attempted to do this here. In the very least, the benefits of good glucose control are very well established, and I don't believe you need to have impaired glucose control to benefit. Cold exposure seems like an excellent way to achieve optimal glucose control (but again there are no long term studies in humans with this regard that I am aware of). As for the Summer/Winter idea, hard to say if there are benefits to seasonal vs. daily cycles of cold/warm. I don't do cold around the clock, and frankly don't think it's a good idea. When my immune system is actively fighting something, I also cut back on the cold exposure practice. And for me, Winter cold exposure is more intense than Summer cold exposure for a number of reasons: Room temps at my house being a big reason, ability to have extremely cold air from outside in the winter that I can use whenever I want it (particularly while driving), and finally the water coming into my house comes from a river, that river water is FAR colder in the winter than Summer, making cold showers much more extreme in the Winter). Quote Link to comment Share on other sites More sharing options...
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