Why are the Dutch so tall? BBC News

The Dutch, on average, are the tallest people in the world, but this has not always been the case. So what happened? Scientists believe that several factors are responsible, such as genetics, better diet and medical care. But now there is another theory. Research from the London School of Tropical Medicine suggests that natural selection may also be related. Jane O’Brien went to the Netherlands to find out more. Subscribe to BBC News HERE
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