Recently, researchers of the SIGMA Type 2 Diabetes Consortium published a paper in Nature identifying a new locus associated with a higher risk of type 2 diabetes (1). Considering the increasing prevalence of this metabolic disease in today’s sugar-filled world, any discovery that helps us understand diabetes is exciting news. However, the most interesting discovery published in this paper might not be this new gene variant but rather the origin of this variant in modern human populations: Neandertals.

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