If the cable isn't in excellent physical shape, its data carrying capability goes down and your Internet speed will suffer. The same rule applies to its connectors and to the cable in Comcast's system as well.
Sugar is a source of carbohydrate and energy. It provides 4 calories per gram or 16 calories in a level teaspoon (4 g). This compares to 36 calories for the same amount (4 g) of fat or oil (e.g., butter, margarine, canola oil). On its own, sugar has no other nutrients.
Fat is one of the 3 main classes of food, and approximately 38 kJ (9 cal) per gram, as compared to sugar with 17 kJ per gram or ethanol with 29 kJ per gram, the most concentrated form of metabolic energy available to humans.. 38.0 MJ/kg. Collins, Anne. Fats. 2003. Fat is a high calorie food.