According to an investigation published by the Wall Street Journal, fifteen times more scientific papers were retracted from medical journals last year than in 2001.
Of those retractions, 47% were because of misconduct or presumed misconduct, 25% were because of error, 21% were due to replicated data, and 8% were unspecified.
Today on American Morning, Elizabeth Cohen, senior medical correspondent, breaks down how these types of mistakes get made and explains what the retractions mean for the average American.