The Connection Between Obesity and the Blood-Brain Barrier

The blood-brain barrier (BBB) is an important physiological formation tasked with protecting the brain from multiple chemicals that might circulate in our bloodstream. The BBB obstructs the exchange and movement of most molecules, cells, and proteins in and out of the central nervous system (CNS). This helps to keep the brain “cool” and unaffected by whatever we eat and the kind of infections we encounter.

The BBB is formed by the blood vessels in the CNS that are lined by endothelial...

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