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Ancient DNA reveals possible cause of mysterious population collapse 5,000 years ago, scientists say

·1 min

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The oldest known plague victims in Europe date back 5,000 years. A recent study suggests that an ancient form of the plague may have been widespread among Europe’s first farmers, leading to their population collapse over 400 years. The study, based on ancient DNA from prehistoric individuals in Sweden and Denmark, found evidence of plague in 1 in 6 samples. The cause of the population’s disappearance has been debated, with some attributing it to climate change and others suspecting disease. The study indicates that the plague might have played a role in the decline.