Do you wear a fitness tracker, a doohickey that counts the steps you take and/or the calories you burn every day? If so, you’re in good company. An estimated 21 percent of U.S. Internet-connected adults — yep, more than one in five — use some form of wearable technology, according to research firm Forrester . Although some pricier wearable fitness trackers promise complicated analytics, most people use wearable fitness trackers to count steps or track distance “with a weight loss goal in mind,” says nutrition consultant, registered dietitian, certified athletic trainer and Healthy Eats contributor Dana Angelo White. A clinical trial conducted by researchers at the University of Pittsburgh and recently published in the Journal of the American Medical Association , however, suggests those wearable fitness trackers may not actually help us lose weight. In fact, the study indicated, just the opposite may be true. The devices may actually backfire, prompting people to eat more and under