In the last few years, psychologists and researchers have been digging up hard data on a question previously left to philosophers: What makes us happy? The emerging field of positive psychology is bursting with new findings about how things like money, attitude, culture, memory, health, altruism, and our day-to-day habits affect our well-being.

Here are 10 scientifically proven strategies for getting happy. (YES magazine features an interactive graphic, or read the text under that, to explain the 10 strategies)

Photo by Tim Middleton, www.timages. biz