The human brain generates about 20 watts of electricity—enough to power a light bulb.
✓ TRUE FACT
The brain runs on roughly 20 W of power, mostly from glucose and oxygen, even though it’s only ~2% of body mass. That energy supports billions of neurons firing and maintaining ion gradients nonstop.
🤯 "The human brain generates about 20 watts of electricity—enough to power a light bulb. Still forgets why you entered the room."