Lack of Exercise

'Global epidemic' of childhood inactivity

The World Health Organization says children's health is being damaged as well as their brain development and social skills.

It says failing to take the recommended hour a day of exercise is a universal problem in rich and poor countries.

Boys were more active than girls in all but four of the 146 countries studied.

What exercise counts?

Pretty much anything that makes the heart beat more quickly and the lungs breathe harder.

It could include: