If I log that milkshake do the calories still count? iStockphoto hide caption toggle caption iStockphoto Shots - Health News Weight-Loss App Doesn't Help Young Adults Shed Pounds Kaiser Health News November 6, 2015 We love apps. We'd love to lose weight. So weight-loss apps sound like a win. But tech-savvy young adults using an app didn't do any better than those trying to control weight the old-fashioned way.