> after the researchers adjusted for factors including parental ages and maternal smoking status The exact adjustments made can change the solidity of the find

> after the researchers adjusted for factors including parental ages and maternal smoking status The exact adjustments made can change the solidity of the finding into anything from "rock solid" to "complete trash". Seemingly solid studies are routinely trashed by third party method reviewers that the initial peer reviewers missed. So we'll know better when they get around to it.