Could you be forever young? Humans have fantasised about stopping or even reversing the ravages of age for as long as we’ve told stories – but now science is coming closer to making it happen. The global anti-ageing market is worth over $62 billion and the super-rich like Jeff Bezos are pouring billions into research against ageing. Will science soon be able to literally turn back the bodyclock?

Dr Andrew Steele tells Olly Mann about the science of ageing, how biologists are reaching down to the cellular level to stop our bodies from degrading… and how we’re close to finding the Off switch for ageing.

Every Monday and Thursday WHY? takes you on an adventure to the edge of knowledge, asking the questions that puzzle and perplex us, from the inner workings of the universe to the far reaches of our dreams. Follow us on your favourite app so you never miss an episode.

WHY? is written and presented by Olly Mann. Audio production by Jade Bailey. Artwork by James Parrett. Music by DJ Food. Exec Producer: Jacob Jarvis. Lead Producer: Anne-Marie Luff. Group Editor: Andrew Harrison. WHY? is a Podmasters Production.

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