The Aboriginies, or more correctly termed "Indigenous Australians" lived in [[Australia]] as far as 50 000 years ago. New genetic evidence suggests that multiple waves of people migrated into Australia over tens of thousands of years before [[Europe]]an colonization. [https://genographic.nationalgeographic.com/genographic/lan/en/atlas.html] They were not completely isolated, there was migration back and forth over the islands, allowing small levels of exchange with [[Melanesia]]. In general, complete ethnic isolation of any group for thousands of years is a fallacy.[http://tedlab.mit.edu/~dr/Papers/Rohde-MRCA-two.pdf]
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When the Europeans colonized Australia, the indigenous people and culture declined drastically. They currently have high levels of [[smoking]] as Europeans introduced tobacco to their culture. [http://www.nsma.org.au/facts/aborignl.htm]