"This notion that you can refuse consent with an armband is hilarious," said Leonard Glantz, a professor of health law, bioethics and human rights at the Boston University School of Public Health. "The whole idea is silly. There is no evidence that a lot of people will wear an armband."
Bioethicists said community consultation also raises concern in African-American communities where distrust of medical studies is ingrained. And many others, no matter their race, don't want to be the subject of an experiment.