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Density of Fast Food Joints Affects Obesity Rates

File under newsflash: University of Pennsylvania researchers have found that counties with a higher concentration of fast food joints also have higher obesity rates:

"We found that there was an association between the amount of full-service restaurants (with waiters) in the county one lives in and a lower risk of obesity,' said Neil Mehta of the University of Pennsylvania.

"Conversely, we found that the increase in the number and the amount of fast food restaurants was associated with an increase in obesity,' he added in an interview."

[via Word of Mouth]

9 Comments:

file under DUH.

Yes, but I have to say one feeds the other (no pun intended). The law of economics tells us that the demand for fast food is what has caused all of the supply. While I feel we would have been better off if McDonalds had never come onto the scene, I can't deny that it is us who has made that corporation (and all of the others like it) so profitable.

Wouldn't areas with more fast food restaurants be both poorer and less walkable? Nothing in the article leads me to believe that the correlation has anything to do with fast food itself.

This isn't news, it's common sense.

@Seyo and RichardCrystal: I know. I should note that when I typed "file under 'newsflash'," it was with sarcastic fingers. I should have used "duh" instead.

no worries Adam, I was just being snarky. I did sense your sarcasm, without even the need for using the [sarcasm]...[/sarcasm] tags.

I think this article doesn't come close to supporting the argument that more fast food restaurants causes higher rates of obesity, rather than high rates of obesity causes large numbers of fast food restaurants to open.

I wrote a longer post on why these statistics don't support this over at my blog:
Another poor causality argument

The article specifically states that they do not yet know what the relationship is.

This style of journal article is pointless. Why is it interesting that the location of fast food is correlated with resident obesity when the actual causal relationship could be positive, negative or zero?

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