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Bugs in your belly. People squirm when we talk about it but those thousands of bacteria that keep you alive and well are doing a whole lot more squirming than you. They work their little gram positive/negative butts off. Which end is the butt? That's a conversation for another day.
Recently bacteria such as bifidobacterium sp. have been shown to help prevent obesity. Studies have shown that lean participants have more bifidobacterium and other gram positive (otherwise known as health promoting or simply 'good') bacteria than obese participants.
Furthermore, prebiotics, such as those found in fermented foods that feed good bacteria are shown to increase insulin sensitivity and to sensitise the intestine to a hormone called 'leptin' that helps regulate appetite.
More studies are needed on various strains of bacteria to help improve metabolism but these studies are promising as they show the complexity of weight gain and how the important it is to address all health concerns, especially the intestinal environment, with healthy weight loss programs.
Yours in health,