Image for The secret of eternal youth...?

The secret of eternal youth...?

Duration: 04:06

In the 1920s, a Vienna doctor called Steinach claimed he could rejuvenate old men.

Available since: Mon 17 Feb 2014

This clip is from

The Fantastical World of Hormones with Professor John Wass

John Wass presents a documentary telling the story of how hormones were discovered.

First broadcast: 26 Feb 2014

Image for The Fantastical World of Hormones with Professor John Wass Not currently available on BBC iPlayer

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