Disclaimer: I was one of the authors on a 2003 study reporting a link between ACTN3 and athletic performance, but I have no financial interest in ACTN3 gene testing. The opinions expressed in this ...

Could workouts transform Jackie Berube into a world-class athlete? "I'm going to try and make it to the 2012 Olympics," said Berube. Even though Jackie Berube will be 40 years old when the London ...

Differences in ACTN3 (alpha-actinin 3) genotypes have been reported among endurance and power athletes. Elite athletic performance in endurance sports should also depend on mitochondrial oxidative ...

A gene known as ACTN3 (α-actinin-3) has earned the nickname “the gene for speed,” and it may have an influence on how androgens work through the androgen receptor to maintain muscle mass. Research has ...

Anyone who has walked past a TV set over the last few days will have seen footage of the remarkable Jamaican sprinter Usain Bolt, who comfortably cruised to victory (and a world record) in the Olympic ...

A company called Sports X Factor recently announced that it's selling a genetic test that will reveal your potential to be a sports star. They're marketing it as a way to predict what sports your kid ...

A few days ago, I wrote about a test, now being marketed in the United States, that predicts whether your toddler has more potential as a power athlete or as an endurance athlete. The test examines ...