Fattening Foods: Not So Fattening After All? by Nathan Latvitis
... Fat holds 9 calories per gram, while carbohydrates and protein hold only 4 calories per gram. This means that eating fat (any type of fat, even the good kind) will result in a greater number of calories consumed. Therefore, it’s more likely that you’re going to go over your TDEE and gain weight, especially if much of your diet comes from fattening foods. In addition to this, fat is very similar chemically to the fat that your body stores. This makes it easy for your body to store consumed ...

Body Mass Index Chart Misleading by Jim O'Connor
... However, If your numbers are not in the zone mentioned above, it is time to take action and start exercising and cutting back on calories. Always consider your body fat percentage versus your lean muscle tissue. Keep the body fat as low as possible, preferably under 30% for both men and women. Don't rely on the body mass index charts to dictate your chance for disease. Use the multiple approach I have outlined above. It is an intelligent approach for aiding your health and well-being.