Fifteen years ago it was the stuff of science fiction. Now, you can just swab your cheek, send it to a company and, for only a few hundred euros, have your DNA analyzed. You'll find out about your ancestry and your predisposition towards certain inherited diseases or conditions (from cancer and diabetes to myopia). You'll also learn if you're a 'carrier' -- that is, if you're carrying a gene that won't affect you but might affect your children. You can even get information about more light-hearted issues like whether you're likely to have fast- or slow-twitch muscles or your ability to taste certain bitter flavours. The technology is pretty great, but it also raises some interesting questions which I thought would be worth discussing (especially since I really enjoyed our previous discussion).
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