Michael Diamonds on Instagram: "Who Will Lose More Belly Fat? 👇 1 pound of fat is 3,500 calories, so you need to be in a 500 calorie deficit a day to lose a pound of body fat a week. You can create a deficit by eating less or moving more. In our example, both people are trying to lose weight by adding more movement, not cutting calories. Running 3 miles a few times a week sounds simple, but it’s not sustainable for most people. The runner couldn’t keep up with their routine, and they didn’t los