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Village_Bear t1_it01coa wrote

Reply to comment by Welmarian in Natural Selection Driven by the Black Death Linked to Modern-Day Autoimmune Disease: Analysis of DNA from over 200 remains shows that the Black Death selected for immune gene variants that are also risk factors for autoimmune conditions like Crohn's disease. by rjmsci

Crohn's (and other autoimmune disease s) typically are onset between 20-30 years old. That being said, there are other factors in today's society that wouldn't have existed in the middle ages that are suspect triggers for autoimmune diseases. It also goes without saying that medical comprehension/diagnostics was not remotely what it is today.

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