Your brain is constantly at work in ways you might never imagine. Here are three astonishing facts about the human brain that will change how you see yourself.
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Your brain generates enough electricity to power a small light bulb. With its billions of neurons firing signals, the brain produces about 20 watts of electrical power.
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Your brain literally washes itself while you sleep. During deep sleep, the glymphatic system clears out waste products, including toxins linked to Alzheimer's disease. This nightly clean-up is essential for brain health.
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Humans glow — just too dim to see. Yes, every human body emits a faint biophoton glow, peaking in the afternoon. Your brain is part of that emission, though it's 1,000 times too weak for our eyes to detect.
These facts highlight the incredible, often invisible processes happening inside your head every moment.