A newly published study in Environmental Health and by Institute for Agriculture and Trade Policy (IATP) have found Mercury levels in up to 50% of all HFCS tested. This study included popular brand name foods by Quaker, Hershey's, Kraft and Smucker's.

Not that anyone really needed more reason to not consumer HFCS but feeding your body Mercury is a darn good one.

For more info see Organic Consumers Association