Rich folks eating fish feed on mercury too / ‘Healthy diet’ clearly isn’t: “Of 89 people Hightower used for her statistical evaluation, 89 percent had mercury levels exceeding the 5 parts per billion recognized as safe by the EPA and the National Academy of Sciences. Sixty-three people had blood-mercury levels more than twice the recommended level, and 19 had blood-mercury levels four times the level considered safe. Four people had levels greater than 10 times as high as the government recommends.”