An article about a dietary plan to help people lose weight has been retracted after other researchers raised concerns, and the authors failed to provide the data that supported their findings.
The retraction is accompanied by a Letter to the Editor by a group of outside researchers — including David Allison at the University of Alabama at Birmingham — who noticed “several substantial issues with data and calculations.” For instance, before the experiment even started, the two groups had very different weights: The control group averaged 96.5 kg, and the test group 91 kg. According to the letter, that difference is striking: Continue reading Food article pulled when authors can’t serve up data