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Global eating habits have put the world on track to have more than four billion obese people by 2050, new research predicts.
And 1.5 billion of those people will be obese, according to a new report released on Wednesday.
By now, 500 million people are likely to be underweight and living on the edge of starvation
The Potsdam Institute for Climate Impacts (PIK) found that if current trends in what and how people are eating in different parts of the world continue, large gaps in diet will only gulf in the next 30 years will.
To predict how global diets will change in the coming decades, the first of its kind assessed trends in the types of foods people eat, how the population grows, and how food is produced and wasted.
Since 1965, global consumption has been moving towards highly processed foods, protein-rich foods, sugary products and carbohydrates.
In the meantime, many groups of the population have saved on vegetables, plant-based foods, whole foods and healthy starches.

By 2050, four billion people, or about 45% of the world’s population, will be overweight, a new report predicts
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