Why do we age in dramatic bursts, and what can we do about it?

Loading player...
Scientists are beginning to understand that ageing is not a simply linear process. Instead, recent research appears to show that we age in three accelerated bursts; at about 40, 60 and 80 years old. To find out what might be going on, Ian Sample hears from professor Michael Snyder, director of the Center for Genomics and Personalised Medicine at Stanford University School of Medicine. Michael explains what the drivers of these bursts of ageing could be, and how they might be counteracted.. Help support our independent journalism at theguardian.com/sciencepod
24 Jul English United Kingdom Science · Nature

Other recent episodes

Shrinking states: are we on a path to depopulation?

The fertility rate in England and Wales has fallen for the third year in a row. It is a story that is being repeated all over the world, with two thirds of the global population now living in countries with below replacement level fertility. Low fertility rates have become a…
9 Sep 19 min

Is curiosity the key to ageing well?

Psychologists have traditionally believed we become less curious as we age, but recent research has shown that curiosity actually becomes more targeted and specific in our later years. To find out why this happens, and how maintaining broad curiosity into older age can help keep our brains young, Madeleine Finlay…
4 Sep 16 min

RFK Jr and the chaos at the CDC

It’s been a dramatic week at the US Centres for Disease Control and Prevention (CDC). In the space of seven days, the agency’s head was sacked and replaced by an interim head, four senior staff members resigned, and existing staff took to the streets to express support for their ousted…
2 Sep 17 min

‘AI psychosis’: could chatbots fuel delusional thinking?

There are increasing reports of people experiencing delusions after intensive use of AI chatbots. The phenomenon, dubbed ‘AI psychosis’, has raised concerns that features built into large language models may contribute to some users losing touch with reality. Madeleine Finlay speaks to Dr Hamilton Morrin, a psychiatrist and researcher at…
28 Aug 17 min

A decade long mystery - why were billions of starfish turned to goo?

For more than a decade, scientists have been puzzling over what was causing billions of starfish to dissolve into piles of white goo. Sea star wasting disease has ravaged starfish populations, wiping out 90% of the once common sunflower sea star. Now, researchers have finally identified the culprit. Madeleine Finlay…
26 Aug 16 min