A new study found fake smiling even when you're not happy can trick your brain into feeling better. It's because the brain reads the muscle movements from a smile, and that puts it into a happier state.
It's because the brain reads the muscle movements from a smile . . . and the researchers say, quote, "that releases neurotransmitters to encourage an emotionally positive state."
And, quote, "When your muscles say you're happy, you're more likely to see the world around you in a positive way."