Upon sobering up and looking at the notebook in which he had written his drug-addled thoughts, he saw only gibberish.

The results, while sobering, don't imply that every child who has crying fits, wakes up repeatedly at night or is a fussy eater, will grow up to have behavior problems.

But reading up on how powerful your brain's hold on your behavior can be when you're trying to stop rewarding it with fatty food is, well, sobering.