Historical data suggests hard knocks build long-term resilience It seems what doesn't kill you does seem to make you stronger, according to international researchers who say disturbances to human societies boost the ability of populations to resist and recover from subsequent downturns. The team analysed 30,000 years of human history, spanning 16 locations across the world, and found the frequency of downturns seemed to increase the ability of populations to withstand and recover from disturbances. The team found land-use patterns to be important, with farming and herding societies more vulnerable, but also more resilient overall. The study has parallels with ecology, in which frequent natural disturbances are thought to enhance the long-term resilience of key ecosystem services. The team adds the results suggest humanity's long-term population growth may have been sustained, at least in part, by positive feedback cycles of vulnerability, resistance and recovery.
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