How big should your portions be? FEMAIL reveals the recommended serving sizes of common foods: A lipstick's worth of chocolate, a tennis ball of pasta and a wine glass of greens

Two-thirds of us are overweight or obese, and it's a growing problem. Most of our meals today are four times larger than in the Fifties. 



FEMAIL discovers how much we should be eating - and it's a lot less than you think. The serving size of red meat is the size of a deck of cards, and a portion of bread shouldn't be larger than a five pound note.