Regular walking is linked to lower obesity rates. Walking more is a great way to increase your daily physical activity. By born, we gradually learn how to walk or run, there is no need for any specialized training or equipment, and it's adaptable to many health needs and fitness levels. Now a new study underscores the link between walking regularly and having a lower risk of obesity. The study, led by Stanford University researchers, used data from a smartphone app that measured daily steps. Researchers analyzed data from more than 717,000 people in 111 countries. Their steps were tracked for about three months, on average. When more people walk regularly, fewer are obese. Researchers homed in on "activity inequality"—the size of the difference in a number of steps between people in a given country who walked the most and those who walked the least. A bigger gap between these groups was associated with a higher obesity rate. For exampl