Prof Tim Spector
speaker
2,014 appearances
16 recordings
2 series
first heard Apr 2026
last heard 4d ago
Prof Tim Spector’s voice in public audio — every appearance, attributed to the second.
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recordings per month · last 12 monthsRecordings per month over the last 12 months — 16 in all, peaking in Sep 2026 with 4.
Appearances
If you're already at a really high point in your diet, you're having lots of fiber and ferments and everything else,
it's going to be harder to see that difference.
These are really tough questions because all of you guys have really different gut microbiomes.
You only share 20% with each other, so everyone's going to have a slightly personalized response to this.
But in general, you'll see changes certainly within three months, even if you're at quite a high level, and probably six weeks.
I expect it to keep going up, but everyone's going to have a different trajectory.
And I think we do see this in people telling me their results.
They often see a sort of up and down trajectory, generally creeping up, but you might have periods where it is a plateau and it is hard to get.
And you've been on that journey yourself, Jonathan, with your fight against the antibiotics.
where you've done all you can and there's a six-month period and absolutely nothing's happened and you feel a bit upset but you know then six months later it does start to climb again and we don't totally understand why that happens maybe it's the seasons or other factors or there's some other stress well you know diet isn't the only thing affecting
Yes, your brain might be better at picking up the healthy gut than actually the microbiome test, because we've got this high evolutionary system that is really good at detecting what's going on.
So listen to your energy levels and your mood.
Pesticides and herbicides, I think we use those terms interchangeably, but a lot of it is herbicides to stop weeds growing rather than bugs.
The main one is glyphosate.
It's used extensively on wet crops like oats and rye.
It's used both to stop weeds growing, but it's also then used to dry the crops out.
And so I would say oat products have...
the highest levels of these pesticides.
So that's the first thing you should always try and get organically because you get excessive levels in some of these breakfast cereals if they're not organic.
Berries are particularly prone to problems and they also rot.
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