Modern Humans Arose in Africa — Here’s How Malaria Shaped Their Sub-Saharan Movement
Researchers found malaria helped fragment populations and steer human movement, with 263 million cases a year underscoring its lasting impact, the study said.
- A new study published in Science Advances reveals malaria significantly influenced how Homo sapiens migrated across sub-Saharan Africa between 74,000 and 5,000 years ago, acting as an invisible barrier to human settlement.
- Researchers from the Max Planck Institute of Geoanthropology and the University of Cambridge used Species Distribution Models to map ancient malaria transmission risks, challenging traditional climate-focused theories of early human dispersal.
- Evidence indicates malaria shaped human demography long before agriculture emerged. "The effects of these choices shaped human demography for the last 74,000 years, and likely much earlier," said Professor Andrea Manica of Cambridge.
- Genetic studies show the origin of the sickle cell mutation provided a survival advantage in West Africa, illustrating how early infectious disease patterns continue to characterize modern human population dynamics.
- Understanding these prehistoric interactions provides essential context for modern epidemiology, as malaria remains a global health challenge with 263 million cases annually, opening new research frontiers into pathogen influence on human history.
15 Articles
15 Articles
For decades, climate has been the main explanation for why the first human populations moved and settled in different parts of Africa. However, a new study adds another factor: diseases.In particular, malaria would have influenced where humans lived for at least 74,000 years. The research, published in Science Advances, analyzed the role of malaria caused by Plasmodium falciparum in the spatial organization of human populations in sub-Saharan Af…
Researchers believe that infectious diseases were not just a health challenge faced by the first humans. A study "opens new frontiers in research on human evolution".
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