Gray Matter, No Chatter

Your brain is 75% water, which explains why hydration improves thinking and dehydration improves drama.

✗ FAKE

🤯 "Your brain is 75% water, which explains why hydration improves thinking and dehydration improves drama."

Play SmartAss Facts 🎯

More Human Brain facts

The human brain has more connections than stars in the galaxy. A baby's brain triples in size during the first year of life. A single neuron can transmit 1,000 nerve impulses per second. A stroke occurs when blood flow to part of the brain is cut off. Alcohol affects the hippocampus, impairing memory. Alzheimer’s disease affects the hippocampus first. See all Human Brain facts →

Explore more

📂 All Human Brain Facts