Frustrated with your results at the gym? The answer is in your genes

We all know that life is unfair. Put a dozen people through identical exercise programs and some will thrive, most will make modest improvements and a few - perhaps two or three - won't see any gains at all. That's just the way it goes. Now we can quantify that unfairness, thanks to a new genetic test offered by a British company called XRGenomics.

17 February 2013