Scientists at Oxford University analysed isotopes in ancient human teeth . The teeth were excavated in the rainforests of Sabaragamuwa in Sri Lanka . Researchers found the teeth belonged to humans who ate a rainforest diet . They also discovered that these people had been eating meat for thousands of years, and their ancestors may have lived as far back as 200,000 - 300,000 years ago.
Scientists at Oxford University analysed isotopes in ancient human teeth . The teeth were excavated in the rainforests of Sabaragamuwa in Sri Lanka . Researchers found the teeth belonged to humans who ate a rainforest diet . This means humans lived in rainforests 12,000 years earlier than thought . Rainforests were largely thought to be human free until 8,000 years ago .