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Tribalism and Medical Ethics

Science is intended to discover the “is”, not the “ought;” facts, not values. Science can’t tell us whether an action is moral; it can only provide evidence to help inform moral decisions. For instance, some people who believe abortion is immoral reject birth control methods that prevent implantation of a fertilized ovum on the grounds that it constitutes abortion; science can determine that a particular birth control method prevents fertilization rather than preventing implantation of a fertilized ovum. A new book, Moral Tribes: Emotion, Reason, and the Gap Between Us and Them, by Joshua Greene, provides some intriguing insights that are pertinent to medical ethics.

He thinks tribalism is the central tragedy of modern life. Evolution equipped us for cooperation within our own tribe but not for cooperation with other tribes. Cooperation with related individuals helps spread our own genes, but we are in competition with other tribes and cooperating with them might help spread their genes to the detriment of our own. It boils down to Us vs. Me and Us vs. Them. He uses the word “tribes” not in the original sense (Hutus vs. Tutsis), but to include Democrats vs. Republicans, Catholics vs. Protestants, CAM vs. science-based medicine, Arabs vs. Israelis, climate change activists vs. climate change deniers, and any other ideological or nationalistic group. (more…)

Posted in: Book & movie reviews, Critical Thinking, Evolution, Medical Ethics

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