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About 2.7 billion people worldwide are secondhand smokers, according to study
Science

About 2.7 billion people worldwide are secondhand smokers, according to study

SIC Notícias8 September 2026 at 06:50

About 2.7 billion people worldwide are secondhand smokers, according to a recent study. This estimate represents a significant proportion of the global population that is exposed to tobacco smoke without being a smoker.

The study revealed that this exposure to secondhand smoke resulted in 1.66 million premature deaths. This number is part of a total of 8 million deaths attributable to tobacco recorded in 2023.

The data highlight the risks associated with exposure to tobacco smoke in enclosed spaces and the significant impact that smoking has on public health worldwide.

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