You Lost 10 Pounds — But How Much of It Was Actually Fat? | Science Explained

By How Things Work 001

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You lost 10 pounds on the scale—but how much of that weight was actually body fat? The answer is more complicated than most people realize. Your body weight includes fat, muscle, glycogen, water, organs, bone, blood, and even food still moving through your digestive system. That means losing 10 pounds does not automatically mean you lost 10 pounds of fat. In this video, we go inside the body to explain exactly what can make up your weight loss—and why two people can lose the same amount of weight but end up with completely different body compositions. You’ll discover: • Why early weight loss is often partly water and glycogen • How stored glycogen affects scale weight • Why eating less can reduce digestive contents • What actually happens inside a fat cell during fat loss • How triglycerides are broken down into fatty acids • Where released fat is actually burned • Why fat oxidation is not the same as net body-fat loss • How aggressive dieting can increase lean-mass loss • Why protein

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