It was a startling scientific finding: Children who eat candy tend to weigh less than those who don't.
Less startling was how it came about. The paper, it turns out, was funded by a trade association representing the makers of Butterfingers, Hershey and Skittles. And its findings were touted by the group even though one of its authors didn't seem to think much of it.
"We're hoping they can do something with it — it's thin and clearly padded," a professor of nutrition at Louisiana State University wrote to her co-author in early 2011, with an abstract for the paper attached.
The paper nevertheless served the interests of the candy industry — and that's not...