A gene variant partly explains why Peruvians are among the world’s shortest people
A common variation in DNA reduces some people's height by about 2 centimeters, on average
![Peruvian man walking up cobblestone path](https://i0.wp.com/www.sciencenews.org/wp-content/uploads/2020/05/051220_ts_height_feat.jpg?fit=1028%2C579&ssl=1)
Peruvians, like this man walking in the ancient Incan village of Ollantaytambo, are some of the world’s shortest people as a population. Some carry a version of a gene that partly explains why.
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