March 26, 2015 | Dominique

I often wonder about whether I'll be healthy in the future. Would I actually want to know, though?

Researchers in Iceland took DNA from 10,000 people and combined the data with family trees. They were then able to predict the genetic make-up of the entire Icelandic nation. Genetic mutations known to cause deadly diseases could be identified in people who didn't volunteer their DNA for the study, raising ethical issues.

Knowledge is a powerful tool in the battle for our health, but also a rather scary one!

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Scientists looked at the mutation rate in the male Y-chromosome, and estimate that the most recent common ancestor of all human males lived 239,000 years ago.

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Image: Flickr/ynse

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