The U.S. Navy method is a reasonable estimator of body fat for most people. However, its accuracy can be affected by how precisely you take the measurements. For a more accurate assessment, methods like hydrostatic weighing or DXA scans are considered the gold standard.

Women have a higher essential body fat percentage than men, primarily for childbearing and hormonal functions. This is why the healthy ranges are different for each gender.

Yes, this is sometimes referred to as 'normal weight obesity' or 'skinny fat.' It means that while your weight on the scale is normal for your height, your body composition includes a high proportion of fat and a low proportion of muscle. This can still increase your risk for health problems.

Reducing body fat typically involves a combination of a healthy, calorie-controlled diet and regular exercise that includes both cardiovascular and strength training activities. Strength training is particularly important for building and maintaining lean muscle mass.