http://www.nytimes.com/2012/08/26/health/research/with-rise-of-gene-sequencing-ethical-puzzles.html?pagewanted=all

And its only going to get more ethically complicated as we discover more genetic basis for diseases. What about the day you can buy a gene sequencing kit over the counter and know exactly what mutations you are carrying…would you want that red pill or would you like the blue pill and never know?