Adding more sugar, means more calories. People who add bulk around the waist have a greater risk of chronic disease than people who carry their extra weight in their hips and thighs. We may be eating less, but we are exercising less too. A healthy lifestyle isn't complete without physical activity . If you eat more calories than your body uses in a day, the extra calories will be stored as fat.
Calories are calories no matter where they come from.
Any extra calories you consume will be stored as fat.