Dr Norman Swan

speaker

26,995 appearances 288 recordings 3 series first heard Apr 2006 last heard 15 Sep

Dr Norman Swan’s voice in public audio — every appearance, attributed to the second.

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What's That Rash? · Why wear a continuous glucose monitor? · 1 Sep 2026 podcast

Is there a pattern of how you're eating?

And changing that as well as adjusting your insulin accordingly.

But we're talking about people who don't have diabetes.

And the question is, is there any benefit from monitoring your blood glucose?

Well, blood sugar, we're talking about glucose, which is the basic unit of currency of energy in our body.

That's why blood glucose is so important.

And it's tightly controlled because when it goes too high, it becomes toxic.

And there's all sorts of metabolic effects of consistently high blood sugars.

And what has changed over the last few years is the notion at which level of blood sugar you start to think, well, that's the high end of where risk might start.

And the risk that you're thinking about here

is the risk of cardiovascular disease.

Atherosclerosis producing so in other words the clogging up of your arteries producing cardiovascular disease, heart disease, strokes, and so on.

And when I was training the limit was up about six point five.

That was where you thought, well, that's the upper limit of normal.

Now people are saying it's round about five point six millimoles per liter.

So in other words, the range that's considered a healthy range of blood sugars before you get into five point six.

So it's lower than it used to be.

Well, it gets confusing, but yes, they are fasting blood sugars.

So you fasted for a certain number of hours and that's when you do your blood sugar.

But in fact, when people have studied this and we'll come to one study in particular, it's everyday levels as well, in a range where you don't go too much higher than five point six.

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