Our love of seafood goes way back. Archaeologists have found crocodiles, turtles and fish were eaten by early humans almost 2 million years ago.
According to the study's researchers, this is the oldest evidence for a diet containing aquatic animals. And the nutrients they provided could have fuelled the evolution of our large hu man brains, the boffins added.
"These aquatic foods are really important sources of the long-chain polyunsaturated fatty acids and docosahexaenoic acid that are so critical to human brain growth," said co-author and paleoanthropologist Dr. Richmond. "Finding these foods in the diets of our early ancestors suggests they may have helped to lift constraints on brain size and fuel the evolution of a larger brain."
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