I gave my cat a tin of tuna every single day just because he begged for it: the vet finally told me what it had been destroying for months
Feeding your cat tuna every day seems harmless, but veterinarians regularly diagnose a painful condition called steatitis—where the cat’s own body fat hardens and inflames—caused by unsaturated fats without adequate vitamin E. Mercury accumulation and nutritional deficiencies compound the damage, often going unnoticed for months.