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Dr. Rhonda Patrick speaks with Ray Cronise, a former NASA material scientist and cofounder of zero gravity, a company that offers weightless parabolic flights to consumers and researchers. In this episode, coming at the tail end of a rather extreme 23-day water fast for Ray, we discuss, perhaps unsurprisingly, some of the benefits that are associated with fasting! Ray talks about shifting one's perspective from looking at nutrition only through the lens of meeting day-to-day nutritional needs, and instead, also considering optimizing metabolism for longer-term effects as well, the importance of thinking about longevity in the context of functional healthspan, some of the similarities between the body’s physiological response to heat stress, cold stress, and exercise and so much more.

Learn more about Ray Cronise by visiting his website at hypothermics.com (raycronise.com) or by saying hello on twitter: twitter.com/raycronise.

Finally, Ray also has a book available for pre-order called "Our Broken Plate."