The modern world is replete with things that make our once-adaptive instincts go awry.
Research shows that many of our contemporary problems, such as the rising prevalence of mental health issues, are emerging from rapid technological advancement and modernization. A theory that can help explain why we respond poorly to modern conditions, despite the choices, safety, and other benefits they bring, is an evolutionary mismatch.
A mismatch happens when an evolved adaptation, either physical or psychological, becomes misaligned with the environment. Take moths and some species of nocturnal flies, for example. Because they have to navigate in the dark, they evolved to use the moon for direction. However, due to the invention of artificial lighting, many moths and flies are drawn to street lamps and indoor lights instead.
The same happens for humans. A classic example is our “sweet tooth,” which motivated ancestral humans to search for calorie-rich foods in nutritionally scarce environments. This sweet tooth becomes mismatched to the modern world when food companies mass produce foods laden with refined sugars and fat, hijacking an otherwise useful trait. The result is tooth decay, obesity, and diabetes.
The modern world is replete with things that make our once-adaptive instincts go awry. For instance, humans evolved to live in kin-based, nomadic tribes of approximately 50 to 150 close-knit people. Our adaptive need to belong functions well in such settings. In large cities populated by hundreds of thousands of strangers, however, people can end up feeling lonely and like they do not have many close friends. READ MORE from Inverse
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