Throughout the programme we've been looking at why we've become so obese and whether food manufacturers are to blame.

So why not try your hand at our calorie quiz.

How much do you know about the fat in your diet?

Which of these contains the most calories?

A: Glass of wine B: Pint of lager C: Spirit and Mixer

How many calories are there in a fried breakfast?

A: 775 B: 1500 C: 500

What's the recommended calorie intake per day for a man?

A: 2500 B: 3000 C: 3500

What's the recommended calorie intake per day for a woman?

A: 1000 B: 2000 C: 3000

How many calories are there in one pound of fat?

A: 2000 B: 3500 C: 4000

Which activity would be the best to help you burn off calories?

A: Half hour of tennis B: Half hour of running C: Half hour playing computer games

Which is the healthiest option for lunch?

A: Jacket Potato B: Meat or fish sandwich C: Chicken portion

Which of these soft drinks has the fewest calories?

A: Latte B: Hot Chocolate C: Fruit Juice

Which is the following is the healthiest for cooking?

A: Olive Oil B: Lard C: Butter

How many portions of fruit and vegetables should you eat per day?

A: 3 B: 5 C: 6