For thousands of years the question of extending life or living forever has occupied minds.  

But now it’s taken on a new life, from peptides, to IV drips and experimental treatments targeting the heart or kidneys, there’s a buzz around longevity.  

Today, Dr Norman Swan on his Four Corners investigation into the big business and the science behind the quest to live healthier for longer. 

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Dr Norman Swan, co-host of the Health Report and What’s that Rash on ABC Radio National