Cause meet effect – Vegetarians and IQ

Ya gotta love this headline from the BBC:
High IQ link to being vegetarian
As if some vegetarians aren’t already insufferable enough, now we have to deal with this? I kid, I kid.
So let’s look at the numbers here…

Men who were vegetarian had an IQ score of 106, compared with 101 for non-vegetarians; while female vegetarians averaged 104, compared with 99 for non-vegetarians.

That’s a swing of a whole 5 points. That’s probably just enough of a swing that allows a person to realize that choices in eating have long term ramifications.
My guess? Becoming vegetarian doesn’t make you more intelligent. Rather than being intelligent allows a person to make vegetarianism a lifestyle choice. In other words vegetarians were already intelligent even before becoming vegetarians.
My favorite part of the article?

Twenty years after the IQ tests were carried out in 1970, 366 of the participants said they were vegetarian – although more than 100 reported eating either fish or chicken.

I guess this means that these 100 people who called themselves vegetarians yet still ate fish and/or chicken would be at the lower end of the IQ scale? Because apparently that swing of five IQ points wasn’t enough of an uptick in their smarts to make them realize that eating chicken and fish makes a person an omnivore, not a vegetarian.
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