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Blood Type Physiology

Gut Bacteria Linked to Obesity

Using breath hydrogen analysis (the same tool that Dr. D’Adamo uses at the Center of Excellence in Generative Medicine), scientists measured the gut bacteria humans and found that the type of bacteria was critical to weight loss.

A study published in the Journal of Clinical Endocrinology and Metabolism found that overweight people may be more likely to harbor a certain type of intestinal microbe. The microbes may contribute to weight gain by helping other organisms to digest certain nutrients, making more calories available. 

The study involved 792 people who had their breath analyzed to help diagnose digestive orders. They agreed to let researchers measure the levels of hydrogen and methane; elevated levels indicate the presence of a microbe called Methanobrevibacter smithii. The people with the highest readings on the breath test were more likely to be heavier and have more body fat, and the researchers suspect that the microbes may be at least partly responsible for their obesity.

This type of organism may have been useful thousands of years ago, when people ate more roughage and needed all the help they could get to squeeze every last calorie out of their food.

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