As a child, Zack had eaten a wide variety of food and it wasn’t until he started secondary school that he became addicted (1) ... pizza. American school meals have often been criticised for the large amount of fast food present (2) ... the menu. At Zack's school, pizza was the star dish and he couldn’t get enough of it. Furthermore, there was only one thing he wanted to spend his pocket money on: slices of pizza. Naturally, Zack’s family were worried about their son’s diet was low (3) ... vitamins. So was Zack. In a desperate attempt to break his addiction, he agreed to appear on a TV programme. Its aim was to encourage food addicts to beat their addictions with the help of a psychologist and nutritionist. It wasn't easy, but Zack finally demonstrated that he had given (4) ... eating pizza. Zack met the challenge and, according to the programme makers, he has never eaten pizza again.