Eat regular meals and always include a starchy food such as bread, pasta, rice, potatoes or cereals.
Eat the recommended 5 portions of fruit and vegetables a day.
Cut down on fat, particularly saturated fat.
Cut down on salt
Cut down on sugar and sugary foods - replace with artificial sweeteners but use these sparingly.
Drink mineral water and dilute pure fruit juice with water. Have no-added-sugar squash with water.
Drink Alcohol in moderation.