A gene for super-fitness may let athletes go over the top.

Athletes who carry one type of a well-known ‘fitness’ gene might actually push themselves so hard that they tire out their hearts. That’s the finding from a study of individuals who competed in one of the most gruelling races in the world.

Read the story here.

A gene for super-fitness may let athletes go over the top.

Athletes who carry one type of a well-known ‘fitness’ gene might actually push themselves so hard that they tire out their hearts. That’s the finding from a study of individuals who competed in one of the most gruelling races in the world.

Read the story here.