Marylee Watson's change of diet helped her shed 70 pounds in just a few months. Here's what she used to eat in a typical day:

Breakfast: Fried eggs, bacon, sausage, toast

Snacks through the morning: Chips and soda

Lunch: Hamburger and fries or fried chicken

Snacks through the afternoon: Chips and soda

Evening meal: Macaroni cheese

Before bed: Chips

This is what she eats on a typical day now:

Breakfast: Banana or small bowl of cereal with two percent milk

Mid-morning: Yoghurt or slice of watermelon, drink of water

Lunch: Turkey or low-fat cheese sandwich with wholewheat bread

Mid-afternoon: Yoghurt or slice of watermelon, drink of water

Evening meal: Small chicken breast with brown rice and cabbage

Before bed: Nothing