Hacking the immune system could slow ageing — here’s how

> But translating this knowledge into the clinic will be challenging.

> Don’t expect an elixir of youth any time soon, says Florian — by definition, ageing research takes a long time. “But there is such great potential for translation.”

how long before we might see such treatment in humans?

> here's how

I read the article, I have not read the papers linked, but from just the article, the only applicable "how" listed was

> up if you smoke and down if you exercise.