In a new campaign against obesity, the British government issued guidelines on Monday saying that children under the age of five -- including those who can't even walk yet -- should exercise every day.
In its first such guidelines for children that young, the health department said children under five who can walk should be physically active for at least three hours a day. Officials also said parents should reduce the amount of time such kids spend being sedentary while watching television or being strapped in a stroller.
The three hours