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Food & Nutrition

Do Polyphenols Improve Your Gut Bacteria?

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This is a guest post written by staff nutritionist Kelsey Marksteiner, RD. Click here to read her blog or join her newsletter! While you’d be hard-pressed to find anyone who doesn’t think polyphenols are healthy for you, one of the lesser-known benefits of consuming a diet high in polyphenols is its beneficial impact on your gut bacteria. There are certain substances that have a very significant impact on our gut bacteria balance, like probiotics for… Read More

Are Legumes “Paleo”? And Does It Really Matter?

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I recently went on the Dr. Oz show to discuss my book, Your Personal Paleo Code. (If you missed it, you can watch the clips here.) Dr. Oz did a segment on Paleo last year with Nell Stephenson and Dr. Loren Cordain, and it got great ratings. However, the feedback the show received from their viewers was that “The Paleo Diet” as presented by Nell and Dr. Cordain was too restrictive. The producers invited me… Read More

Why You Should Think Twice About Vegetarian and Vegan Diets

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There are many reasons why people choose to go vegetarian or vegan. Some are compelled by the environmental impact of confinement animal feeding operations (CAFO). Others are guided by ethical concerns or religious reasons. I respect these reasons and appreciate anyone who thinks deeply about the social and spiritual impact of their food choices—even if my own exploration of these questions has led me to a different answer. But many choose a vegetarian diet is… Read More

Why Paleo Should Be Ranked #1 of All Weight Loss Diets

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Earlier in January, US News & World Report issued its annual ranking of the best diets to follow for several different goals and health conditions, including weight loss. As you may know, the Paleo diet was ranked last in the “Best Diet Overall” category of the 32 diets they reviewed. This review may have caused you question the benefits of the Paleo diet, and perhaps you even have concerns about its safety. But are these… Read More

Health Lessons from International Cuisines: India

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Unlike most of the other countries I’ve covered in this series, India is not renowned for any aspect of its health. Many Indians continue to suffer from malnutrition, and their rates of chronic disease (especially diabetes) are on the rise. Unfortunately, there have been some key shifts in their diet over the past few decades that are likely contributing to their poor health. These include a shift towards rice and wheat as the predominant grains,… Read More

Fukushima Radiation: Is It Still Safe To Eat Fish?

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I’ve received several questions over the past few months about whether my recommendations for fish consumption (one pound of cold-water, fatty fish per week) have changed since the Fukushima disaster. You may have seen reports in the media about the discovery of radioactive isotopes (cesium-134 and cesium-137) in Pacific bluefin tuna that migrated from Japan to California waters. (1) This was covered by more than a thousand newspapers worldwide and several thousand internet, television and… Read More