Most people take a DNA test with the simple hope of finding out more about their roots.
But one man's life was turned upside down when he discovered he has more Neanderthal DNA than the average human being - prompting scientists to turn him into a study subject.
He explained how he has more than four per cent Neanderthal DNA, compared to the one to two per cent commonly identified in people today. Neanderthal are considered to have a more robust build and proportionally shorter limbs than the modern-day humans.
