I've just brought Milo to the vet to upadate his vaccines when I found out that I should not be feeding my cats pop up can foods. The vet said recent studies have shown a high correlation between thyroid problems and eating foods from pop up cans. She also told me to avoid all fish canned foods and can foods containing giblets. This also results in thyroid problems. :?: :?: :? Has anyone ever heard of this? This is such a strange statement. Does that mean that humans should also worry about getting thyroid problems from eating from pop up can foods? Hubby thinks I should take her advice with a grain of salt.