[In Depth] Regulators drop controversial biospecimen consent proposal

U.S. biomedical researchers have fought off a feared rule change that would have made it more difficult and expensive to study anonymous blood and tissue samples taken from patients. Proposed in 2015, the controversial change was dropped 2 days before former President Barack Obama left office, when federal officials released a long-awaited update to the so-called Common Rule that protects human participants in studies. The update also hands scientists a second victory, by blunting a 2014 law tha