How much will we eat in the future?

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THE AMOUNT of food needed to feed the world’s population in the future is of vital importance. To date, scientists have only considered this question from the perspective of how much food people can afford to buy, how much food is healthy or what can be sustainably produced. However, researchers at the University of Göttingen have now analysed how the actual quantity of food that people would like to eat is likely to change. A rising Body Mass Index (BMI), which evaluates weight in relation to height, and an increasing body height lead to a marked increase in global calorie requirements. The results have been published in the journal PLOS ONE.