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"During 10,000 years ago, humans have started to enjoy chewing gum, this fact was revealed through the discovery of remains of chewing gum that are the same age in the region of Sweden."
According to IFL Science, at the Huseby Klev site in western Sweden, three remnants of chewing gum made from damar tree sap were found. Although these remnants were initially discovered in the 1990s, it has recently been confirmed that the sap was actually chewed by humans.
Traces of Chewing Gum in the Stone Age.
In the Stone Age, the sap from the damar tree was used as an adhesive material. Through sediment age analysis at the location of the discovery of the rubber clumps, researchers estimate that the chewing gum originated from an age range of approximately 9,540 to 9,890 years ago.
To ensure that the rubber clump is truly chewed by humans, researchers compared the DNA sequence of microbes in the rubber with the saliva microbiome from modern and ancient times. The analysis revealed an increase in the number of bacteria associated with gum disease, such as Treponema denticola, Streptococcus anginosus, and Slackia exigua.
In addition, other bacteria such as Streptococcus sobrinus and Parascardovia denticolens, known as markers of tooth decay, were also found abundant in the clumps of the old chewing gum.
In the analysis of the rubber candy, besides other plants, researchers detected the presence of mistletoe. They speculate that mistletoe could be used as medicine or even utilized to create poison that can be used on arrowheads.
According to Professor Anders Gotherstrom, another researcher in this study, the DNA information found in the chewing gum provides insights into the lives of a small group of hunter-gatherers along the west coast of Scandinavia.
"We know that these teenagers consumed reindeer meat, trout, and hazelnut 9,700 years ago on the west coast of Scandinavia, while at least one of them had severe dental problems," he said.
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