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Does Willow Bark Extend Lifespan? Exploring the Science of Longevity

According to a 2016 study published in the journal *Oncotarget*, a specific extract from white willow bark proved to be the most potent longevity-extending pharmacological intervention ever tested in yeast. This begs the question: does willow bark extend lifespan for humans, or is this just a fascinating finding in a single-celled organism?