Natural selection hidden in modern medicine? - March, 2017
No one needs to tell a new mother that human childbirth can be challenging — and dangerous! In some impoverished areas, for every 100 live births, one mother dies in
childbirth and four infants die in the first few days of life. However, access to resources and modern medical interventions, such as C-sections, prevents many of those deaths. C-sections have become so common in some populations that biologists have begun to wonder if the procedure, as it saves lives, could be shaping the course of human evolution.
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