The Roundup


Here is The Roundup, Edition 25, bringing you the best from around the web from the past two weeks! Blast from the Past Lactase persistence is a common genetic trait in many worldwide populations that allows them to consume dairy as a significant and health-promoting component of their traditional diets. An ancient DNA analysis has revealed a high frequency of European lactase persistence earlier than previously believed, reaching over 70% of the population by the… Read More

Ask the RD: Are Seeds Healthy and Animal Foods for Vegetarians

Ask the RD Podcast Artwork - mic

Join Kelsey Marksteiner, MS, RD and Laura Schoenfeld, MPH, RD, staff nutritionists at, as they answer your questions about ancestral and Paleo nutrition. A must-listen for anyone new to the Paleo diet or looking to improve their current Paleo diet based on their personal needs and health goals. The content on this show reflects the opinion of Kelsey and Laura and does not represent the opinions of Chris Kresser, who has not reviewed the content… Read More

Health Lessons from International Cuisines: The Nordic Countries


The Nordic countries (including Finland, Norway, Sweden, Denmark, and Iceland) are well known for having some of the healthiest and happiest populations in the world. Sweden consistently maintains one of the world’s highest life expectancies, and Forbes, Bloomberg, and others have featured all five countries on lists of ‘the world’s healthiest countries.’ Many have attributed their good health to the Nordic diet. As with most of the countries we’ve talked about so far, the Nordic… Read More

Does Dairy Cause Osteoporosis?


I do a lot of myth-busting around here, and it’s usually conventional wisdom that crumbles in the face of scientific evidence. But this time I’m actually siding with conventional wisdom, and busting a myth that’s common in the alternative health community. I addressed this topic in-depth on a recent podcast, but it’s such a common question that I decided to write an article on it for easy reference. The myth in question is the idea… Read More

How to cure lactose intolerance

eating yogurt

Lactose intolerance is one of the most common food intolerances, affecting up to 65% of the world’s adult population. (1) Many people choose to completely cut out dairy as a way to avoid the gastrointestinal symptoms that frequently come along with eating dairy foods. But is true lactose intolerance really the cause of their digestive distress, or are many people prematurely eliminating dairy because of a perceived inability to digest milk products? And is it… Read More

RHR: What Science Really Says About the Paleo Diet – With Mat Lalonde


I’m happy to welcome Mat LaLonde Ph.D back to the show to discuss which claims of the Paleo diet are – and are not – supported by modern science. We also touch on genetics, epigenetics, food toxins (phytic acid, lectins, etc.) and answer some questions from readers and listeners. Enjoy! In this episode, we cover: 7:10 Invalid Inference 1: Our Paleolithic ancestors ate this way and they were free of disease 9:45 Invalid Inference 2:… Read More