Lessons from the longest study on happiness. / A világ leghosszabb boldogságkutatásának eredményei. Robert Waldinger is a psychiatrist, psychoanalyst and Zen priest. He is Clinical Professor of Psychiatry at Harvard Medical School and directs the Harvard Study of Adult Development, one of the longestrunning studies of adult life ever done. This talk was given at a TEDx event using the TED conference format but independently organized by a local community. Learn more at https://www.ted.com/tedx