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Social Science
This book introduces "how to raise your luck" based on science. Luck falls on everyone equally. It is a little "knack" to attract "luck"! We introduce such a little "knack" that can be done right now along with research from around the world! ★ Thinking "I'm lucky!" -- A study by Lysan Dermish of the University of Cologne, ★ Exercising once a week -- A study by Weilin Chen of the University of Michigan, ★ Chatting -- A study by Rembrandt Koning of the Harvard University, ★ Smelling coffee -- A study by Han So-gi Soo of the Seoul University, ★ Taking a selfie with a smile -- A study by Yu Chen of the University of California, etc.