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Showing results 1-11 of 42 for 'Metabolism'

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    Artificial Sweeteners Hit a Sour Note

    Artificial sweeteners have long been promoted as diet and health aids – but Weizmann scientists have discovered that such products may be causing our gut bacteria to trigger harmful metabolic changes. In other words, the sweeteners may be leading to the very diseases – such as obesity – they were supposed to help prevent.

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    Gut Bacteria, Artificial Sweeteners, and Glucose Intolerance

    Artificial sweeteners have long been promoted as diet and health aids. But breaking research shows that these products may be leading to the very diseases they were said to help prevent: Dr. Eran Elinav and Prof. Eran Segal have discovered that, after exposure to artificial sweeteners, our gut bacteria may be triggering harmful metabolic changes.

  • Obesity, Stress, and Science

    The holiday season can be full of less-than-joyful issues such as stress and overeating. Weizmann scientists are studying related topics like obesity, metabolic disorders, and the body's stress response.

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    Artificial Sweeteners May Disrupt Body's Blood Sugar Controls

    <em>The New York Times</em> reports on bombshell research from Dr. Eran Elinav and Prof. Eran Segal. The two scientists found that gut microbiota can trigger metabolic changes after exposure to artificial sweeteners, potentially leading to obesity and diabetes – conditions that diet drinks and foods with sweeteners are supposed to help us avoid.

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    Wise Plant Analysis Identifies Healthy Metabolites

    Two new databases - WeizMass and MatchWeiz - created in the lab of Prof. Asaph Aharoni help scientists identify the majority of metabolites in a plant, including fruits such as tomatoes. This helps provide targeted nutritional information and reveals that biologically active plant substances are much more prevalent across the plant kingdom than was previously thought.

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    Receptive to Stress

    Prof. Alon Chen's lab discovered that a receptor, CRFR1, plays a surprising role in the body's stress response. In mice without CRFR1, females had trouble regulating temperature and blood sugar, while males were barely affected. The results could help develop treatments for regulating hunger or stress responses, including anxiety and depression.

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    Gut Microbes Contribute to Recurrent "Yo-Yo" Obesity

    Yet again, new research from Dr. Eran Elinav and Prof. Eran Segal is making global headlines and potentially changing lives. Most people have experienced the rebound effect of dieting - losing weight only to regain it, and then some. Now the Weizmann team has determined why this happens, and has identified potential solutions.