This article tells how the bacterium Helicobacter pylori traveled with humans when they left Africa and migrated into other areas of the world. I thought this was a very interesting article, complete with map, showing the routes of the migrations and their approximate time frames. The science of genetics is helping us understand more about subjects like these. Fascinating.
homo sapiens, evolution, migration, Africa, H. pylori, Helicobacter pylori, ulcers, stomach, prehistoric, genetics, health,
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