Luke O'Neill

If you stop the infection happening, you might protect the brain and therefore decrease the risk of dementia is the idea.

So that adds to the evidence.

And if you're a scientist, you look for multiple lines of evidence for something.

That's another piece of evidence to say, oh, this could be real, this effect on dementia.

Now, there's actually a campaign underway to get it free, isn't that so?

There is.

There's 23,000 people that have signed a petition, which is great.

Older people.

It's a question about older people speaking out, really, you know.

And very importantly, this week, I got a very nice email.

There's a walk happening in Knocknacara, right, on Thursday the 28th at 11am.

Everyone's welcome, is the message here.

Gerry Gavin was on to me.

It's the Active Retirement Group there.

They're having a walk, a nice walk on the 28th, the campaign.

to make it free for the over 65s.

And that active retirement organisation, they've gathered 23,000 signatures so far to make this free to the over 65s.

So there is a campaign happening as we speak.

I wonder what is the best age for administering this?

I mean, if you got it at 30 or 40 versus...