Diets tend to adopt capital letters: The Paleo or The Zone Diet…suggesting their universal application to all. But a new medical study reveals that people given identical meals (and healthy foods) metabolize them very differently, given their individual gut microbes and how that impacts their glucose response. For instance, some people can have intense blood sugar spikes after eating tomatoes, which, in "common knowledge," is a low-glycemic food. Read this new evidence about how diets may need to be personally tailored, and why we may need to re-think our one-size-fits-all weight loss recommendations in the future: Read more on

AuthorNancy Davis, SVP and Executive Director, GWI