An apple a day will not only keep the doctor away, but it may also help you shed the kilos!
Fruit and vegetables that contain high levels of flavonoids seem to stop people putting on weight.
They have long been celebrated for their antioxidant effect, which is thought to help prevent cell damage. But experts also think the compounds may reduce the energy - especially from sugar - that is absorbed from food.
Researchers at the University of East Anglia and Harvard Medical School found that eating the flavonoids contained in a handful of blueberries every day for four years would help people lose about 1.2kgs.
The average woman in the same period would usually put on about 1kg, and the average man 2kgs.
We've put together a list of some of the foods you can find flavonoids in.
