If you've been weight training recently, you've no doubt heard that muscle weighs more than fat. It's a well-touted piece of fitness information, spread by personal trainers, friends and people on social media to explain why progress - as measured by the scale - often halts. But is there any truth to the idea that muscle and fat weigh differently?
First of all, it's important to remember that weight is not really the be-all and end-all. The number on the scale is simply a sign of gravity and there are many studies that show weight doesn't equate to your health (one piece of research found weight loss diets had minimal improvements on health outcomes including cholesterol, blood pressure and fasting blood glucose and none of these changes were correlated with weight changes) - and it certainly doesn't equate to your worth.
