(Before It's News)
A new study from Lund University in Sweden indicates that inherited viruses that are millions of years old play an important role in building up the complex networks that characterize the human brain.
Researchers have long been aware that endogenous retroviruses constitute around five per cent of our DNA. For many years, they were considered junk DNA of no real use, a side-effect of our evolutionary journey.
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Source:
http://www.riseearth.com/2016/01/new-study-viruses-make-us-smarter.html