进化的心理行为7:为什么我们的屎闻起来这么臭? episode artwork

EPISODE · Apr 24, 2025 · 4 MIN

进化的心理行为7:为什么我们的屎闻起来这么臭?

from 投资悟道 渡人渡己

为什么我们会觉得屎很臭?从进化心理学的角度看,这是自然选择的结果。粪便中含有大量细菌和毒素,接近它意味着感染风险。对粪便敏感、能本能回避的人类祖先,更可能存活下来并把这种“嫌恶感”的基因传下去。相反,人类对甜食和高热量食物的喜爱,同样源于祖先为生存所需的能量摄取偏好。这些看似本能的喜好和厌恶,其实都是进化过程中筛选出的结果。而狗之所以能吃粪便,是因为它们拥有不同的免疫系统和基因。你看到的恶心,狗也许觉得香。这些本能背后,都藏着自然选择的深层逻辑。前往小宇宙评论区与主播互动

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进化的心理行为7:为什么我们的屎闻起来这么臭?

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