― Even though you may be "normal weight," you may still have too much body fat. This will negatively impact your health. So, you can't just concentrate on the weigh scales. ∙ You need to know where you are fat no matter what your Body Mass Index (BMI) may be. You can be skinny with high body fat (skinny-fat). You may also be normal weight obese. Too much body fat is not good even if you have a good BMI. ∙ If you don't combine healthy, managed nutrition with consistent weight [...].