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Ron Gutman odhalí prekvapujúce výsledky niekoľkých štúdií o úsmeve. Vedeli ste, že váš úsmev môže predpovedať, ako dlho budete žiť -- a že obyčajný úsmev má merateľný vplyv na váš celkový pocit šťastia? Pripravte si svaly tváre a zistite viac o tomto evolučne nákazlivom správaní.
Ron Gutman is the founder and CEO of HealthTap, free mobile and online apps for health info. He's also the organizer of TEDxSiliconValley. Full bio »
Translated into Slovak by Janka Pazurikova
Reviewed by Martin Francis Gilbert Máik
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