1. Eat more
Eat at least seven servings of fruit and veg every day and aim for 10 if you can. One serving is approximately 80g in weight or the equivalent of an apple, banana, orange, a handful of smaller fruits such as grapes or berries, two cupped handfuls of leafy green veg, one cupped handful of chopped carrots, courgettes or peppers.
Don't worry about eating too many fruit and vegetables as studies show that for every portion we eat we tend to eat 125 fewer calories overall throughout the day. That's largely because their high fibre and water content fills you up, which in turn helps you to eat less of the more energy dense foods that you might usually reach for.
[Related: Five surprisingly healthy foods]
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2. Pack in some protein
Try to add a bit of protein to each meal in