Association of benzodiazepine and Z-hypnotic use with cardiovascular disease risk: insights from a prospective study of 10 million people in China.

BZD or Z-hypnotic use in general was nominally associated with an elevated risk of CVD. However, for short-term, single-type, and low-to-moderate-dose users, not only did this elevated risk disappear, but drug use also demonstrated a protective effect.