 A paper published in 2013 also shows that LKM, by increasing positive emotions and perceived positive social connections, improves cardiovascular health.Fredrickson received the American Psychological Association’s inaugural Templeton Prize in Positive Psychology in 2000 for her work on the broaden-and-build theory, which included a $100,000 grant to fund her work.Her work has been supported continuously for the past 16 years by grants from the National Institutes of Health.