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A realistic prehistoric early man neanderthal reproduction in Trento Museum of Natural History.(Shutterstock)

Our ancestors had bigger noses to help them breathe better. They required more calories per day

Agence France-Presse, Paris | By HT Correspondent
PUBLISHED ON APR 04, 2018 03:30 PM IST
Neanderthals could also move “considerably more” air through their nasal cavity, possibly in response to higher energy requirements for their stocky bodies and hunting lifestyle. Neanderthals were thought to have required as much as 4,480 calories per day to keep them alive in the European winter. For a modern human male, 2,500 daily calories are recommended.
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