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Cold Sores Have Been Blistering Humans For Thousands of Years, Finds New Study

Cold Sores Have Been Blistering Humans For Thousands of Years, Finds New Study

The preservation of DNA in human teeth dating back 1,500 years has revealed the ancient origins of the widespread strain of herpes virus that causes cold sores. Genomic data suggest that herpes simplex virus type 1 (HSV-1), which today infects around 3.7 billion people worldwide, emerged and proliferated around 5,000 years ago. And it may …

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Foods And Drinks Have Gotten Sweeter Over The Last Decade, And It's a Global Problem

Foods And Drinks Have Gotten Sweeter Over The Last Decade, And It’s a Global Problem

Humans have an evolutionary preference for sweetness. Sweet foods, such as fruit and honey, were an important source of energy for our ancestors. However, in the modern world, sweetened foods are readily available, very cheap, and widely advertised. Now, we are consuming too much sugar in foods and beverages, the kind that is added instead …

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