American livers have been taking more of a beating over the past several decades, research out today suggests, and the primary culprit might surprise you.

Researchers at the University of Virginia studied national poison center data, looking specifically at liver injuries caused by external substances. Since 2000, such reports have skyrocketed, with the most common source of injury being acetaminophen taken alone, the over-the-counter painkiller best known by the brand name drug Tylenol, they found.

The findings show that externally caused liver injuries “have increased substantially over the past 25 years, with [acetaminophen taken alone]…

Read the full article at GIZMODO.COM