Feature interview: "Genetics are not destiny"

Everyone wants to live a long life, but no one wants to get old. Just over 15 years ago, cardiologist Dr Eric Topol went looking for genetic reasons why some people are able age into their 80's without the usual chronic diseases like diabetes or cardiovascular issues. Dr Topol the founder and director of the Scripps Research Institute in San Diego says genetics are not destiny and it's never too late to start taking steps to delay or even prevent disease.