Smiling, even when you don't feel happy, can genuinely improve your mood — the brain reads the facial muscle movement.
Fact #3742
👍 0 · 👎 0
More Human Body Facts
The invention of the hypodermic syringe enabled effective drug delivery.
Fact #1206 · Human Body
An adult giraffe can clean its ears with its tongue.
Fact #248 · Human Body
Ants do not have lungs and breathe through small openings in their bodies.
Fact #351 · Human Body
Your bones are stronger than steel.
Fact #1716 · Human Body
Stem cell research explores regenerative medicine.
Fact #1218 · Human Body
Mammoths and early humans lived at the same time.
Fact #633 · Human Body
Fossilized bones reveal information about prehistoric diets.
Fact #737 · Human Body
Polar bears have a thick layer of fat to retain body heat.
Fact #867 · Human Body
Want more facts?
We have over 11,491 facts across 16 categories.