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Keyword: gutflora

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  • Is a Slim Physique Contagious?

    09/06/2013 11:44:52 AM PDT · by neverdem · 50 replies
    ScienceNOW ^ | 2013-09-05 | Beth Skwarecki
    What makes some people slender and others full-figured? Besides diet and genetics, the community of microbes that lives inside us may be partially responsible. New research on twins suggests that lean people harbor bacteria that their obese counterparts don't have. And, given the chance, those bacteria may be able to prevent weight gain. But don’t dig your skinny jeans out of the closet just yet. So far, the work has been done only in mice. What's more, the bacterial takeover requires a healthy, high-fiber diet to work, illustrating the complex relationship between diet, microbes, metabolism, and health. Our intestines are...
  • Gut Bugs Could Explain Obesity-Cancer Link

    06/27/2013 2:24:27 AM PDT · by neverdem · 21 replies
    ScienceNOW ^ | 26 June 2013 | Gisela Telis
    Enlarge Image At risk. Changes in gut flora could help explain why obese mice are more likely to develop liver tumors (inset). Credit: Eiji Hara/Japanese Foundation for Cancer Research Why does obesity raise the risk of developing cancer? A new study suggests that the wrong mix of gut bacteria could be to blame. Researchers report that obese mice carry altered communities of intestinal bugs, which produce DNA-damaging acid that leave the mice more susceptible to liver cancer. The findings hint that bacteria help drive cancer development and may eventually help scientists better predict and prevent the disease. Obesity increases...
  • Have We Been Miscounting Calories?

    02/27/2013 2:42:55 PM PST · by neverdem · 19 replies
    ScienceNOW ^ | 19 February 2013 | Ann Gibbons
    Enlarge Image Counting calories. Our bodies may take more energy to process the carbohydrates in garbanzo beans than in cereal, which suggests all carbohydrate calories are not alike. Credit: iStockphoto/Thinkstock BOSTON—When it comes to weight loss, a calorie is a calorie is a calorie. That's been the mantra of nutritionists, dietitians, and food regulators in the United States and Europe for more than a century. But when it comes to comparing raw food with cooked food, or beans with breakfast cereals, that thinking may be incorrect. That was the consensus of a panel of researchers who listed the many...