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Fifty a day and you will live for ever

BBC News - Five portions a day 'saves lives'

Around 33,000 lives a year could be saved if everyone in the UK followed dietary guidelines, research suggests.
Eating five portions of fruit and veg a day would save 15,000 lives, including 7,000 from heart disease, almost 5,000 from cancer and around 3,000 from stroke
Another 4,000 deaths would be prevented by sticking to dietary recommendations on fibre; around 7,000 from watching fat intake and 7,500 by reducing salt

The research, published in the Journal of Epidemiology and Community Health, was based on a computer model linking food consumption with mortality from heart disease, stroke and cancer.
"According to our model, the biggest impact would be eating more fruit and veg. But this doesn't mean you should just stop at five - the more the better."

Ah, the "model says" - and the relationship is more is better in an unbounded way, sort of an artificial x=2y way rather the more natural bell curve response most nature studies have . Funny actually studying real people give a different answer.

BBC News - Five-a-day has little impact on cancer, study finds

The study of 500,000 Europeans joins a growing body of evidence undermining the high hopes that pushing "five-a-day" might slash Western cancer rates.
The team, led by researchers from the Mount Sinai School of Medicine, in New York, took into account lifestyle factors such as smoking and exercise when drawing their conclusions.
But writing in the Journal of the National Cancer Institute, they said they could not rule out that even the small reduction in cancer risk seen was down to the fact that the kind of people who ate more fruit and vegetables lived healthier lives in many other respects too.

Comments

'...down to the fact that the kind of people who ate more fruit and vegetables lived healthier lives in many other respects too'

The inability of 'scientists' to distinguish between correlation and causation is a problem in other areas I can think of.

Five a day was always nonsense, the same as Professor MacGregor's daft anti-salt campaign.

I don't eat 5 portions total a day, of everything combined, and I'm "morbidly obese" according to government standards.
Now I have to increase the amount of high sugar, high carb food I eat in order to reduce my cancer risk?
I thought I had to eat less in order to loose weight, I'm confused here...

But, er, wouldn't any substantial increase in demand for fruit and veg from a UK population of over 60 million necessitate much more importation from Spain, the Mediterranean and Africa?

How will that jibe with those climate-change/greenhouse-gas reduction programmes?

Ahhh! The famous computer model. This is all a statistical trick and the numbers are based on an assumption and guesses. Wish it were true but real studies have shown that food is just food and there are no magic foods that will make you live longer.

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