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What percentage of the dry weight of the human brain is composed of fat, making it the fattest organ in the body?

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Correct answer: About 60 percent

The human brain is incredibly rich in lipids, with fats making up about 60% of its dry weight. These lipids are crucial for building cell membranes and insulating electrical signals. Interestingly, dietary healthy fats like omega-3s are directly used by your body to maintain this complex neural architecture. Photo: Jensflorian, Wikimedia Commons, CC BY-SA 4.0.

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Source: Wikipedia (CC BY-SA)

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