
The chemistry of a smile
How the world translates joy
The contagion of collective sparks
Designing a daily spark
YOUR GOAL
Master of The science and secrets of joy
joy The Chemistry of a Smile
Just curve your lips up high, (yeah!) / Let that dopamine and serotonin rise! (oh-oh!)

joy Radiant light pathways connect the brain, heart, and gut amid floating golden confetti.

joy Bright sunbeams filter through spring leaves around floating colorful balloons and bursting bubbles.
Genuine smiles: In 1862, researcher Guillaume Duchenne proved that a genuine smile of joy, unlike a fake one, involuntarily contracts the muscles around your eyes.
A chemical substance that transmits nerve impulses across a synapse to another nerve, muscle, or gland. In 1988, Fritz Strack's pen-in-mouth experiment demonstrated how manipulating facial muscles triggers mood-altering neurotransmitters.
Which chemical messenger, identified by Arvid Carlsson in 1957, is famous for driving our brain's reward and pleasure systems?
Which neurotransmitter, often boosted by physical touch and social bonding, is known as the 'cuddle hormone'?





