For many of us, our smartwatch is almost always on our wrist, monitoring our sleep, steps, heart rate, workouts, and even our calorie burn. We use it to provide insights into our health, fitness, and recovery. In fact, they often influence how hard we train, when we rest, and how much we eat. But how accurate are our fitness trackers, and can we trust them to determine our eating habits? How Fitness Trackers Estimate Calories To understand how accurate fitness trackers are, we first need to l...
