Re: Extended stems
- From: !Jones <fee@xxxxxxx>
- Date: Sun, 12 Jul 2009 12:47:11 -0500
On Sat, 11 Jul 2009 19:31:32 -0500, in rec.bicycles.tech Tom Sherman
°_° <twshermanREMOVE@xxxxxxxxxxxxxxxxxx> wrote:
People who wear helmets have fewer head trauma events; that's a proven
fact.[...]
No it is not.
Well, it has never been proven that helmets *cause* fewer instances of
head trauma for the same reason that it has never been proven that
smoking *causes* health problems. Before you can say that, your study
must have operational control over the independent variable... i.e.,
you take a population of non-smokers and make half of them start
smoking heavily. Of course, you'd never get it by your institution's
ethical review committee, so it will always remain unproven.
And you will always have a few who will argue that it has never been
*proven* that smoking causes health degradation; further,
theoretically and statistically, they're technically correct.
On the other hand, you can always find some moron who will argue
anything... but, not with me because *I* do argue something that's as
obvious as gravity with morons.
But... have a great day!!!
Jones
.
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