Professor Luke O'Neill
speaker
1,535 appearances
7 recordings
2 series
first heard Apr 2026
last heard 3 Sep
Professor Luke O'Neill’s voice in public audio — every appearance, attributed to the second.
Trend
recordings per month · last 12 monthsRecordings per month over the last 12 months — 7 in all, peaking in May 2026 with 3.
Appearances
A massive one is social activity.
Now, why is that so important?
Well, it turns out that when you socialize, your brain is turned on.
Because you're talking to someone, you're reacting to them, the conversation might get a bit heated, it might get a bit funny, whatever it is.
We evolved to be social creatures.
And when you socialize, your brain lights up like a Christmas tree.
All these different parts of the brain fire away.
And that seems to be a really good one because, again, it's a way to keep the brain agile.
Other ones, high cholesterol is a risk factor.
So if you've got high cholesterol, get it down a bit.
Hearing aids, there's a really interesting one that people don't realize.
Hearing loss is a significant risk factor for Alzheimer's disease.
They think it's because you're cut off and you can't engage fully.
And that affects the social aspect of this in a ways.
So get your hearing tested and get a hearing aid.
That's a really important one people are emphasizing.
And then there's things like air pollution, which is hard to modify.
One problem, in a sense, is the things you can modify are there.
There's other things you can't.
So maybe they become more important in certain situations.
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