A large study published in The Lancet estimates that passive smoking caused 1.66 million premature deaths worldwide in 2023, with approximately 2.7 billion people exposed globally. The research analyzed data from 2010 to 2025, focusing on health impacts across 204 countries and territories, including cardiovascular, respiratory, and metabolic diseases. While global tobacco prevalence has decreased by 22% since 1990, the number of people exposed to secondhand smoke remains stable, with significant increases observed in Africa, North Africa, and the Middle East. Children under 15 years old account for 767 million of those exposed, with 5.16 million respiratory infections linked to passive smoking in children alone.
Bias read (Center): The article presents a scientific study on the health impacts of passive smoking without overtly endorsing or opposing specific policies. It provides balanced statistical data and highlights both the scale of the problem and the lack of progress in reducing exposure despite declining tobacco use. No
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