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Do burgers taste of grass? - David Cooke

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March 1st, 2011

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06:51 pm - Do burgers taste of grass?
I'm in the mood for a bit of a rant.

One of the fallacies that really winds me up is the "if you eat fatty foods you get fat" one. Seriously, how is this kind of metabolism supposed to work? You eat fat and your body extracts it and stores it on your belly (or hips)? I suppose when you eat protein it gets made into muscle, and any sugar you eat is spun into candy-floss and stored in your skull?

Burgers (supposedly bad because they have fat in 'em) are made of cow. Cows are made from a little cow and a lot of grass, recursively. Ultimately cows are made from a lot of grass and homeopathically small (bugger all unless you're really unlucky) amounts of proto-cow. Yet everyone knows that burgers don't taste of grass. Clearly, digestion and metabolism are more complicated than "store the appropriate bit of the food in the appropriate (or inappropriate) part of the body".

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Date:March 3rd, 2011 10:48 am (UTC)
Of course fat gets first broken down into fatty acids in your digestive system. If your blood sugar levei is low, these are converted to glucose. If your blood sugar level is high, glucose will be converted back to fatty acids, and fatty acids back into triglycerids for storage ... body fat.

So, yeah, fat does not directly go into your fat cells, it runs through your metabolism like any other nutricient. But out of all nutricients, fat packs the most calories per weight unit ... so if you want to cut down on your calory intake, reducing the amount of fat is the easiest way.

This means generally reducing the fat content of your food is usually a good idea, as long as you replace it with something that has less calories :) And that's where a lot of misleading advertising happens. Of course, gummy bears have 0% fat. But that doesn't mean they're more healthy when they consist of 95% Sugar :)

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