Medical misinformation is killing people, according to the head of the Food and Drug Administration. Dr. Robert Califf blames misinformation and disinformation about public health for the fact that life expectancy in the United States is between three and five years lower than it is in other high-income countries.Medical misinformation is killing people, according to the head of the Food and Drug Administration. Dr. Robert Califf blames misinformation and disinformation about public health for the fact that life expectancy in the United States is between three and five years lower than it is in other high-income countries.