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Saturday, February 11, 2012

Bias.

All lies and jest. Still, a man hears what he wants to hear and disregards the rest. Here's a lovely song by Simon & Garfunkel.



I watched the Paranoia video from my last post a few times and I couldn't help but notice how balanced it was. The Labour party (Roy Jenkins) was praised, the Conservative party (Margaret Thatcher) was praised and capitalists (Rupert Murdoch) were praised. Nixon's politics were never mentioned. He was simply power-mad. The more power/influence/money that someone has, the more they have to lose and therefore the more distrustful & paranoid they become.

Since the Hutton Inquiry, the BBC has bent over backwards to appear balanced and impartial. There's probably still bias in it, but I can't see it. That's because I'm biased!

I see a lot of Confirmation bias. There are various theories out there which try to explain the recent huge rise in rates of obesity and morbid obesity, as these conditions are occurring in ever-younger people. Morbid obesity in childhood is a disaster, as it leads to fat mass hyperplasia, (rather than fat mass hypertrophy), which leads to hypoleptinaemia when significant fat mass is lost and a lifetime of low metabolic rate & excessive hunger.

There's Taubes' (Wrong) Insulin & Carbohydrate Theory Of Obesity, which makes the acronym TWICHOO.

There's Guyenet's Food Reward Theory Of Obesity, which doesn't make an acronym.

There are opposing camps of people who believe that one theory is right and the other is wrong, and they cherry-pick evidence to "prove" it. However, the two theories are not mutually exclusive. I believe that refined carbohydrates (and thus insulin) have a large influence on fat mass in people with poor blood glucose control, due to roller-coaster blood glucose & insulin levels causing lethargy and subsequent overeating. I believe that food reward has a large influence on fat mass, due to it causing overeating.

That's why I'm in favour of REAL food diets, as they reduce both blood glucose & insulin fluctuations and food reward. Please note that reward is not the same thing as deliciousness. Fries/chips aren't delicious but they are moreish. Real foods can be delicious without being moreish.

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