Professor Sarah Berry
speaker
555 appearances
6 recordings
1 series
first heard Jan 2026
last heard 28 Jul
Professor Sarah Berry’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 — 6 in all, peaking in Jul 2026 with 3.
Appearances
So our ZOE research shows that those who have a dip after having their breakfast are the kind of breakfast that causes them to have this dip in circulating glucose.
consume on average 320 calories more that day.
When we've also looked within an individual, so let's say take Tim one day where he has his muesli versus another day where he has his wonderfully healthy full-fat yogurt, nuts, etc.
On the day that he would have had his muesli, what we find is that that would cause him to eat about 100 calories more that day compared to
if he's had his healthier breakfast that doesn't cause that dip.
So he's not on that roller coaster throughout the day.
Now, I think it's important to say it doesn't mean that the peak doesn't matter.
It's just that I think there's so much focus at the moment on your peak and circulating glucose.
And you see all these sugar hacks, how to dampen your peak, how to flatline.
We do know again from our own research and other research that if you have
a really large increase in circulating blood glucose you do have an increase in inflammation you do have an increase in oxidation now at short small levels absolutely that's not a problem our bodies are clever you know inflammation isn't necessarily a bit short-term bad for us
But where we're having the kind of foods that are causing these massive peaks and then these dips, if you're repeatedly and repeatedly stimulating your immune system, then it can become a problem over time.
So eating sugar to excess...
depending on the source of sugar, yes, can increase inflammation.
So there's evidence to show that people that have higher intakes of sugar in some instances have an increased risk of some cancers.
But it's quite complicated because it's difficult to tease apart what's the effect of the sugar versus all of the other components that are coming with a high sugar diet.
People typically with a high sugar diet
might be less healthy in other areas, might smoke more, might also have lots of other unhealthy components.
You can partially adjust for this, but not fully.
Where I think the evidence is quite strong is that there's this indirect effect rather than the direct effect necessarily of sugar.
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