See related story: It Takes Genes to Make Olympians
Slideshow: It Takes Genes to Make Olympians
Genetic makeup isn't the only thing that produces an elite athlete. But researchers are discovering specific genes that could turn some jocks into Olympians while their teammates throw in the towel after graduation. By Kristen Philipkoski.
The same genes that play key roles in sports performance also sometimes figure in common chronic problems such as cardiovascular disease, diabetes, osteoporosis, obesity and others. Knowing more about these genes could lead to prevention and eventually treatment.AP Photo/Michel Euler

