army1987 comments on Outside the Laboratory - Less Wrong

63 Post author: Eliezer_Yudkowsky 21 January 2007 03:46AM

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Comment author: Lumifer 16 December 2013 05:06:48PM 1 point [-]

We know that low-carb is effective at losing weight. The jury is still out on whether low-carb is healthy in the long term.

Similarly, while it is clear that being obese is unhealthy, I don't think that there is any evidence to show that being very thin (having low body fat %) is healthier than being normal.

Comment author: [deleted] 16 December 2013 06:34:07PM 0 points [-]

See here, though it uses BMI rather than body fat %.

Comment author: Lumifer 16 December 2013 06:46:18PM 0 points [-]

Yes, and it does show the expected U-shaped curve.

BMI is pretty useless as an individual metric, though.

Comment author: [deleted] 16 December 2013 06:56:20PM 0 points [-]

Yes, and it does show the expected U-shaped curve.

That was the point. (I also incorrectly remembered that the minimum was shifted a bit to the right of what's usually called “normal weight”, i.e. 18.5 to 25, but in the case of healthy people who've never smoked it looks like that range is about right.)