Why the human brain has shrunk

And some analysis of whether it matters

Stars Insider

14/07/22 | StarsInsider


It is pretty common knowledge that the brain is a complex organ. Responsible for pretty much everything our bodies do, the human brain is powerful and elusive.

Most people think that having a bigger brain must equate to higher brain function. By that logic, the 21st-century human brain should be larger than the brain of centuries and millennia gone by. Emerging research suggests, however, that our brains have actually shrunk over the last 3,000 years. This discovery is keeping researchers busy as they look to understand why our brains are getting smaller.

Intrigued? Check out this gallery to learn all about the human brain and why it might have shrunk.

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