the no. 1 killer in the United States and much of the developed world -- and diabetes -- the sixth leading cause of death. Clearly, other genes will play a role, Lifton said. Genes found in the nucleus regulate mitochondrial DNA and as with everything in human biology, its gets complicated quickly. What the finding does not provide is a quick answer. The woman's family members are treated for symptoms such as high blood pressure or cholesterol but there is no cure for their overall condition. Lifton said the finding provides no easy out for people with metabolic syndrome, either. All the symptoms can be helped with regular exercise, a diet rich in whole grains, fruits and vegetables and reduced fat. --SP 2215 Local Time 1915 GMT