Our modern lifestyles are also causing more people to be obese. Eatig work patterns, using technology, changes in portion size and the built environment all contribute to making us gain weight. Kilojoules The energy value of food is measured in units called kilojoules. To maintain a healthy weight it is important to balance how many kilojoules you take in from food and drink with how many kilojoules you burn off.
If you consume high amounts of energy, particularly fat and sugars, but do not burn off the energy through exercise and physical activity, much of the surplus energy will be stored by the body as fat. Calories The energy value of food is measured in units called calories. The average physically active man needs about 2,500 calories a day to maintain a healthy weight, and the average physically active woman needs about 2,000 calories a day.
Maybe you almost always eat fruit for dessert, or you drink low-fat or fat-free milk. These are good habits!