Helping overweight children to achieve a healthy weight along with normal growth requires more caution. Modest reductions in dietary fat, such as the use of low fat milk rather than whole milk, are not hazardous. However, major efforts to change a child's diet should be accompanied by monitoring of growth by a health professional at regular intervals. If you are sedentary, try to become more active. If you are already very active, try to continue the same level of activity as you age.
More physical activity is better than less, and any is better than none.
If your weight is not in the healthy range, try to reduce health risks through better eating and exercise habits. Have children's heights and weights checked regularly by a health professional.