I wasn't sure which forum to post this but I saw this article in the paper today and thought it might be of interest. It is regarding a possible link between hyperthyroidism in cats and chemicals found in flame retardants. They say that indoor cats that eat fish-flavored canned food were found to be most suspectible.
http://www.latimes.com/features/heal...,5833961.story
http://www.latimes.com/features/heal...,5833961.story