As the size of the ageing population rises, the field of gerontology, the study of ageing, is bursting with discoveries. How and why do we age? What can be done to slow the ageing process, and how do we improve our health spans, rather than our life spans? Sue Armstrong discusses what she found when writing her book Borrowed Time: The Science of How and Why We Age.  Hosted on Acast. See acast.com/privacy for more information.