preservatives
angrytoxicologist | September 25, 2007It's nice to a see a good study every once in a while and after about 30 years of debating whether preservatives cause hyperactivity/attention deficit. I can't go into all the studies that have been done because there are too many. Suffice it to say that the methodologies were always lacking, and the results uneven (whether positive or negative).
Now a randomised, double-blind, placebo-controlled trial has been conducted and published in The Lancet (you can get it here for free!). They took 153 3-year olds and 144 8-9 year olds and gave them a sweet drink with either sodium benzoate, a common…