A doctor in psychology and philosophy, Tal Ben-Shahar currently holds the record for the largest enrollment in an undergraduate course at Harvard University: over 1400 students per semester. His Positive Psychology course quickly earned professor Tal Ben-Shahar his "Happyness Professor" nickname among students. His theories, which draw on science to propose methods to live life with enthusiasm and happiness, have resonated far beyond his classrooms, and his books have become global bestsellers. Can one learn how to be happy? Ben-Shahar's answer is that "yes, we can change our levels of happiness," but he doesn't stop just there and argues that we should teach children how to be happy at schools.

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