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We all know the grim stats about how many New Year’s resolutions fail. It’s not because making resolutions is hokey or people are inherently lazy. It’s because most resolutions come down to one of two things: adopting new (good) habits or breaking old (bad) habits, and habit change is hard. People struggle at every step, from...

Research of the Week The environmental footprint of different diets is not what we’ve been led to believe. Genetic analysis of ancient Hungarian conquerors. Men on a low-fat diet may have lower testosterone. Glucose metabolism takes center stage in Alzheimer’s. New Primal Blueprint Podcasts Episode 399: Kate Cretsinger: Host Elle Russ chats with Kate Cretsinger, who after defeating her own serious...

It’s curious how not eating can spark so many questions and debates. A practice born out of necessity for our ancestors, fasting for long stretches happened when weather or circumstance hampered hunting and gathering, or for shorter periods while on the hunt or foraging. As food has become readily available and abundant in many countries, our...

For today’s edition of Dear Mark, I’m answering three questions from readers. First, does the renewed vigor assailing the keto diet have me worried about my business? Should I start going vegan to cover all my bases? Second, did the “ketones for overtraining” study from last week control for calories? And third, how can a...

Research of the Week Evidence of cooked starchy rhizomes from 170,000 years ago. Prenatal exposure to phthalates linked to lower muscle mass at 6 years of age in girls (but not boys). More liver and pancreatic fat, more diabetes. Damaged mitochondria promote autoimmune disease. New Primal Blueprint Podcasts Episode 397: Darryl Edwards: Host Elle Russ chats with the one and only...

This is the time of year where we audit what we can change, improve, and do away with in our lives. What goals can we crush this year? If there was a phrase that could be done away with it, this would be it for me: “CRUSH YOUR GOALS.” It sounds exhausting, and a little angry. Here, instead,...