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Britons may be more vulnerable to Aids due to Roman invasion
Photo: TELEVISION STILLS
Researchers found that people who live in lands conquered by the Roman army have less protection against HIV than those in countries they never reached
They say a gene which helps make people less susceptible to HIV occurs in greater frequency in areas of Europe that the Roman Empire did not stretch to.
The gene lacks certain DNA elements, which means HIV cannot bind to it as easily and is less able to infect cells.
People with the mutation have some resistance to HIV infection and also take longer to develop AIDS, reports New Scientist.
A study of almost 19,000 DNA samples from across Europe showed the gene variant seemed to dwindle in regions conquered by the Romans.