New York Daily NewsAmericans were less active in 2014, despite surge in fitness trackers ...New York Daily NewsAmericans reduced their physical activity in 2014, despite the exploding popularity of wearable fitness trackers and apps, marked by a burgeoning market offering countless options. On Wednesday, the Physical Activity Council (PAC) released its 2015 ...Despite fitness trackers, Americans less active in 2014The Star OnlineWe're So Lazy. And It's Getting Worse.AARP News (blog)tất cả 18 bài viết »