Most of us have heard the phrase "correlation does not equal causation." But understanding how scientists move beyond identifying correlations to establish causation remains a mystery to many. Finding ...

A comment posted by a reader on a recent post reprimanded me for suggesting that marijuana caused relationships to go bad. In this instance the reader was mistaken, as I had specifically used the word ...

A retrospective review of the electronic medical records of 112 patients with tumors tested for the RS and the PREDICT tool was used to estimate survival benefits. The correlation between RS and ...