Another reason to work out in nature: training outdoors in an urban (read: polluted) environment elicits fewer cognitive improvements than training in a rural (read: fresh air-abundant) environment.
Selecting for big-brained guppies subsequently reduced gut and litter size (yes, I know that fish don’t technically have “litters,” but you know what I mean), appearing to confirm the expensive tissue hypothesis and mirroring what happened to big-brained hominids (Duggar family notwithstanding).
Some caveman diet guy sat down with Los Angeles Magazine to talk about mastodon ribeyes, loincloths, and Channing Tatum (or is it Tanning Chatum?).
Can chronic, low-level lead exposure explain the varying rates of crime? Yeah, yeah, correlation does not equal causation, but an extremely plausible mechanism (lead adversely affects the brain) exists to potentially explain the astonishing levels of correlation.
Mark Sisson is the founder of Mark’s Daily Apple, godfather to the Primal food and lifestyle movement, and the New York Times bestselling author of The Keto Reset Diet. His latest book is Keto for Life, where he discusses how he combines the keto diet with a Primal lifestyle for optimal health and longevity. Mark is the author of numerous other books as well, including The Primal Blueprint, which was credited with turbocharging the growth of the primal/paleo movement back in 2009. After spending three decades researching and educating folks on why food is the key component to achieving and maintaining optimal wellness, Mark launched Primal Kitchen, a real-food company that creates Primal/paleo, keto, and Whole30-friendly kitchen staples.