Iodine post up: http://www.gwern.net/Nootropics#iodine

I've been working on this off and on for months. I think it's one of my better entries on that page, and I imagine some of the citations there will greatly interest LWers - eg. not just the general IQ impacts, but that iodization causes voters to vote more liberally.

I also include subsections for a meta-analysis to estimate effect size, a power analysis using said effect size as guidance to designing any iodine experiment, and a section on value of information, tying all the information together.

My general conclusion is that it looks like I should take some iodine, but currently self-experimentation is just too hard to do for iodine.