Articles on Evolutionary medicine

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Most people get acquainted with their appendix when it’s inflamed and about to rupture. Sebastian Kaulitzki/Science Photo Library via Getty Images

What does the appendix do? Biologists explain the complicated evolution of this inconvenient organ

The appendix has independently evolved at least 32 times across 361 mammalian species. What makes it an evolutionary darling when it’s more of a medical liability today?
Our ancestors’ environment and diets, and the limits of our biology, have led to adaptations that have improved human survival through natural selection. But we remain prone to illness and disease anyway. (Shutterstock)

Evolutionary medicine looks to our early human ancestors for insight into conditions like diabetes

Evolutionary medicine uses our ancestral history to explain disease prevalence and inform care for conditions like Type 2 diabetes. It also challenges the bio-ethnocentrism of western medicine.
The emotion of lassitude might help your body fight off infection by making certain adjustments. Kalinka Georgieva/Shutterstock.com

Feeling sick is an emotion meant to help you get better faster

Fighting off infection comes with predictable psychological and behavioral features. Now researchers suggest an emotion coordinates this response to help you get better. They call it ‘lassitude.’

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