Sifting the Evidence: or how the blog got its name.

Posted 22 November 2012 by Suzi Gage

I like statistics. Sometimes they elude me, but that feeling when a concept or technique reveals itself, for me is one of the joys of my studies. Which is a good job, as observational epidemiology isn't light on analyses. The geeky joy of stats was instilled in me by my boss Marcus, forcing his lab group to read papers about statistical techniques, giving us lectures about power calculations and suchlike. Back when I was a newbie, he brought to us... Read more

Perspective on cannabis dependence and IQ

Posted 29 August 2012 by Suzi Gage

Reports from various news outlets have been discussing a paper published a couple of days ago in PNAS. The paper investigates cannabis dependence, and it’s relation to change in IQ. Media articles have interpreted these findings as ‘cannabis use is harmful to adolescent brains, but not afterwards’. Now, before I go on, I should say that I’m not disputing that this may be the case, but I don’t think this paper provides as strong evidence as is being reported, for... Read more