New studies reveal that the presence of a particular gene variant not only helped our ancestors survive the plague, but also protects us aga
However, new research suggests that the two may share more than you might think. Evidence has been put forward that a gene variant that helped people survive the Black Death also significantly lessens the impact of Covid-19. Don’t get too excited, though: the same variant is also responsible for a greater risk of Crohn’s disease and other autoimmune conditions.
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