Are Gut Bacteria Making You Fat? Part III: Two Emerging Hypotheses of Obesity

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By: Eirik Garnas     When talking about body fat regulation we always have to adhere to the basic laws of thermodynamics. We know that increases in body fat mass happens when energy intake is higher than energy expenditure, and that we have to either decrease energy intake, increase energy expenditure, or both in order […]

Are Gut Bacteria Making You Fat? Part II: Ancestral vs. Westernized Microbiome

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By: Eirik Garnas   Why are we seeing these changes in the human microbiota? Studies show that the western lifestyle promotes a suboptimal phenotype, in the sense that highly processed diets, sedentary living, lack of sun exposure, etc., results in a gene expression that leads to poor health and disease (1,2). However, we’re now learning […]