To maintain mental and physical vitality, the status of the most basic building blocks of our bodies is all important. There has been an explosion in research relating to cellular health and the measures we can take to nurture their wellbeing. Greg Macpherson is a biotechnologist, pharmacist and the author of Harnessing the Nine Hallmarks of Aging: Turning Our Cells Into Little Pharmaceutical Factories. But how does that way of thinking apply to our everyday lives? In this interview with Peter Bowes, Greg explains the significance of recent scientific breakthroughs and why he believes it is realistic for more of us to contemplate life as a centenarian in the coming decades.