date:Sep 12, 2013
A large number of fish imported from China and Vietnam and sold in U.S. supermarkets contain alarming levels of formaldehyde, a known carcinogen, according to tests performed and verified by researchers at a North Carolina chemical engineering firm and North Carolina State University.
Around 25 percent of all the fish purchased from supermarkets were found to contain potentially dangerous levels of formaldehyde, a toxic chemical compound commonly used as a medical disinfectant or embalming agen