Study links second-hand smoke to nearly 1.7 million deaths globally

According to a study published on Tuesday in The Lancet, more than 2.7 billion people globally were exposed to second-hand smoke in 2023, contributing to nearly 1.7 million deaths worldwide. The findings highlight tobacco as a leading global cause of disease and emphasize the widespread nature of the exposure.

The research specifically notes that the exposed population includes 767 million children aged 0 to 14, underscoring the impact of second-hand smoke on vulnerable age groups.