. >> weight, treadmill, stair steppers, might associate with efforts to lose weight. but what about your smartphone? in a new study led by researchers at tufts university, the experts reviewed more than 200 studies finding this most cases that people who use mobile or internet health technology tended to exercise more, lose weight, eat more fruits and veggies, and even put back on smoking and heavy drinking. studieses, showed they had a positive effect. some of the interventions were as simple as answering teamed message or checking a phone, while others checking in with those doctors to keep it going after the study ended. so while you may which was to get to great lengths to get in better shape one key to a healthier lifestyle may be as close at your front pocket. i'm dr. timothy johnson. >> if they could make an app that would do the exees >> you would still benefit from it that would work. >> newscenter 5 at 6:00 starts right now. >> tracking tropical storm her mine and how it will impact part of our labor day weekend. >> breaking news, a young boy accidentally sh