THEN WHY HAVE PEOPLE BECOME SO MUCH MORE RISK-AVERSE SINCE IT BECAME COMMON? World’s Most Common Pain Relief Drug May Induce Risky Behavior. “Acetaminophen, also known as paracetamol and sold widely under the brand names Tylenol and Panadol, may also increase risk-taking, according to a study from 2020 that measured changes in people’s behavior when under the influence of the common over-the-counter medication.”