Fast food fans must walk almost ten miles to work off the calories in a Big Mac Meal.
This was revealed yesterday as the hamburger giant launched its own exercise drive.

It started selling £3.99 adult Happy Meals boxes ? each containing a step-counter, salad, soft drink, and exercise leaflet ? to encourage people to walk their food off.

But nutritionists calculated the Big Mac Meal, which includes fries and milkshake, packs 1,411 calories ? requiring 9½ miles to burn.

Even a new 295cal Go Active salad requires a 2.5-mile walk. The average man needs 2,500 calories a day. Women need 2,000.

McDonald’s bosses ? stung by criticism they were fuelling Britain’s fat epidemic in their restaurants ? trumpeted the launch of the salad range last March