Liz Earle

speaker

13,205 appearances 46 recordings 3 series first heard Apr 2026 last heard 3d ago

Liz Earle’s voice in public audio — every appearance, attributed to the second.

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recordings per month · last 12 months

Recordings per month over the last 12 months — 46 in all, peaking in Sep 2026 with 9.

Appearances

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Age Better with Liz Earle · Testosterone explained: what it does for women in midlife · 21 Sep 2026 podcast

So, as I say, early daylight, great for circadian rhythm. podcast-host

But at 6 a.m., the UVB that we need to make vitamin D is unlikely to be. podcast-host

Be there, even in a very sunny country. podcast-host

So what happens is first thing in the morning, and I I write about this a lot in How to Age. podcast-host

If you want more information, it was a key tenant of my last book, is that you have near infrared and red light that's coming up first thing, and then as the sun rises, the first UV spectrum to appear is UVA, which is important because that's signalling nitric oxide, which is our kind of alertness molecule. podcast-host

Molecule. podcast-host

And then later in the morning we get UVB. podcast-host

And that's what's making vitamin D. podcast-host

Now, unfortunately, the bad news for those of us listening in the UK is that UVB disappears around October time. podcast-host

So that's why you know vitamin D3 supplements are even more important in the winter months. podcast-host

Hopefully, we banked some vitamin D by having lots of skin exposure in the podcast-host

sunshine during the summer months and that's will hopefully keep us going through some of the winter time. podcast-host

But don't think that even if the sun is shining here in the UK, that we can go out and get vitamin D because we can't, because there isn't any UVB. podcast-host

So it comes back around March, March time. podcast-host

So how much sunlight then is enough if if we are receiving UVB? podcast-host

And obviously for anybody listening in a different podcast-host

different country or who's heading off on holiday perhaps to somewhere sunnier, then maybe fifteen, twenty, thirty minutes of sensible midday exposure on uncovered skin without burning. podcast-host

That's a kind of good practical guide if you've got a temperate climate. podcast-host

But you know, I can't transfer that directly to Saudi Arabia because the UV index can be extremely high and your skin can burn far more quickly. podcast-host

It also depends on your skin type, your Fitzpatrick skin type. podcast-host

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