In recent years, the science of happiness has exploded. Positive psychology, which focuses on what makes individuals and communities thrive, has been an incredibly popular field of study. Researchers have even started to produce reports on happiness around the globe. While most research can only identify correlations, things that happy people have in common, we think that trying to do many of these things could have a significant effect on our own personal happiness levels. With that in mind, here are nine happiness-promoting behaviors that are backed by science.