Obesity involves changes in the function of brain regions that regulate body fatness and blood glucose, particularly a region called the hypothalamus. My colleagues and I previously showed that obesity is associated with inflammation and injury of the hypothalamus in rodent models, and we also presented preliminary evidence that the same might be true in humans. In our latest paper, we confirm this association, and show that hypothalamic injury is also associated with a marker of insulin resistance, independently of BMI.
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