Medicine or magic? Assessing the hype around young blood

In this essay, David Irving and Alison Gould explore our cultural obsession with young blood and whether there’s any scientific evidence that transfusions of it can delay the ageing process.

Ben Franklin famously wrote: “In this world, nothing can be said to be certain, except death and taxes”. What he didn’t mention, despite being 83 years old, was a third, almost inevitable eventuality: ageing.

Depending on when in history and where on the planet you look, ageing is variously considered desirable &ndash