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Edinboro C, Scott-Moncrieff C, Tetrick M, Glickman L. School of Veterinary Medicine, Purdue University, West Lafayette, IN, USA PURPOSE: The prevalence of hyperthyroidism in pet cats (benign nodular hyperplasia) has reached epidemic proportions, since it was first described in 1979. Therefore, we ...

A study done in 2004 showed a strong correlation between some brands of wet cat food in pop-top cans and hyperthyroidism.  Apparently, some cans are lined with bisphenol A-diglycidyl ether, which reacts with the oils in the cat food. Years ago, when pet food cans had to be opened with a can opener, this disease was almost unheard of.  It ...