A new study has  that physical activity and exercise are 'contagious' because of social media. Researchers at the Massachusetts Institute of Technology (MIT)  that people who  details of their exercise patterns and achievements on social media sites  and encourage other people to  more active. Researchers  the exercise routines of 1.1 million runners over a period of five years. They  at the geographic location of the runners, their social network use, distance, time, pace and the calories they . The researchers  that sharing personal exercise data via social media can  others to exercise more, exercise harder and do so more competitively.
The journal 'Nature Communications' has  the research. The study  detailed accounts of how inspiring it can be to  about a friend's physical activity. Researchers said: "On average, an additional kilometre run by friends can  someone to run an additional three-tenths of a kilometre, and an additional ten minutes run by friends can inspire someone to run three minutes longer." The study  social media  the performance of runners who had  a little slower or less in shape, and of those who were  signs of overtaking a friend's performance. Researcher Sinan Aral said: "In general, if you  more, it is likely that you can  your friends to run more."