To play this video you need to enable JavaScript in your browser.
This video can not be played
The truth about taking testosteroneCloseCan testosterone really slow ageing?
Dr Xand explains what the hormone actually does, who may benefit from treatment, and why it's not a fix for healthy people.
He also outlines the risks of taking extra testosterone — and why it's carefully prescribed, especially for women.
To watch this with subtitles go to BBC iPlayer and search for Morning Live from 28/04/2026.
- Published1 minute ago