A new review and analysis of past research is saying that running may be the single most effective exercise to increase life expectancy. According to the study, runners tended to live about three more years than non-runners, regardless of other factors such as weight, lifestyle, or running style. The study mentioned here is featured in this New York Times article and is compared to past studies that have taken place. One of the most interesting calculations done by researchers in this new study found that “hour for hour running statistically returns more time to people’s lives than it consumes.” Check out the article for more!