I can't believe there's not a single mention of Vitamin D in this article. People with normal levels of Vitamin D are healthier than people who are deficient. T

I can't believe there's not a single mention of Vitamin D in this article. People with normal levels of Vitamin D are healthier than people who are deficient. There's really no mystery there. I'm sure it's even more important for developing babies. The health effects of getting some sun > negative effects of being cold for a while. Or cold thermogenesis could actually have beneficial effects [1]. [1]: http://www.jackkruse.com/cold-thermogenesis-6-the-ancient-pathway/ http://www.jackkruse.com/cold-thermogenesis-6-the-ancient-pa...