Wearable fitness devices have been a hot topic in health and wellness for a few years now, but what kind of impact have wearables really had on improving health outcomes? Wearable fitness devices can be used to track physical activity, sleep, heart rate, and even provide on-screen workouts. They are most often paired with a smartphone or website to track and store data. There has been a lot of hype about the potential to promote positive health outcomes through using wearables, but a recent study suggests they may not be impacting health as expected.