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Hello and welcome to more or less your tenacious guide to the numbers all around us in the news and in life.

This week is Throat Cancer now primarily caused by a sexually transmitted disease.

Are the nation's bridges about to collapse under the collective weight of electric cars?

Is breastfeeding the key to exam success?

And are 600 million glass bottles poised and ready to litter the beaches of Scotland?

Spoiler alert, the answer to some of these questions is no, but we'll get to that.

So let's begin.

Are you, like me, apparent, anxiously and somewhat helplessly watching your 16-year-old offspring

enduring a summer of GCSE exams?

Don't you wish you could do more to help them out?

Well, if you believe the newspapers, there's an easy solution.

Simply travel back in time 16 years and breastfeed your baby for as long as you possibly can.

Breastfeeding for longer may be linked to better exam results.

Kids breastfed for at least a year, a 38% more likely to get A's in exams, study finds.

That's a big number. But what on earth should we make of it?

These headlines relate to a study by researchers at Oxford University.

They looked at the link between being breastfed as a baby and pass rates in GCSE, English and maths.

The study concluded that a longer breastfeeding duration was associated with what it called

modest improvements in educational outcomes at age 16.

But 38% doesn't sound like a modest improvement to me and what do they mean by associated anyway.

Such questions also occurred to loyal listener Claire, who emailed more or less at bbc.co.uk to say...

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