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Go to: A Mathematical Challenge to Obesity

Tom_Rees's Avatar Jump to comment 6 by Tom_Rees

People who don't know much about metabolism think that weight is a simple linear function of calories ingested vs calories expended. Really it's not that simple. The body strives to maintain weight by burning more or fewer calories, for example. So to lose weight in the long term you need to recalibrate the body's set point.

What's great about Chow's work is that he's boiled some of the complexity down into a calculator that gives simple outputs. If you know someone trying to lose weight, get them to check out the simulator: http://bwsimulator.niddk.nih.gov/

Mon, 21 May 2012 08:52:20 UTC | #942587

Go to: Do kids have to be taught about the supernatural?

Tom_Rees's Avatar Jump to comment 9 by Tom_Rees

Richard, although the difference wasn't formally significant, the test used didn't include all relevant information. For example, the fact that both 7 and 8 year olds, but not other ages, had this large magnitude difference. That makes the findings less likely to be random.

However, you're right not to place much significance on this one study, which on its own would simply be hypothesis generating. But other studies by Jonathan Lane (the "exact opposite" link in my post above) have found similar things, at a similar age cut off.

The background to this study is, of course, Justin Barrett's work, who proposed that young kids do have an instinctive understanding of the omniscient from an early age. These subsequent studies suggest that his original research didn't look at age differences in sufficient detail.

Tue, 31 Jan 2012 09:26:52 UTC | #912988

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