Second-hand smoke causes nearly 1.7M deaths globally — study
Health
September 7, 2026
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PARIS, France (AFP) — More than 2.7 billion people, including children, have been exposed to second-hand smoke globally, contributing to nearly 1.7 million deaths in 2023, according to a study published Tuesday in The Lancet.
Tobacco remains a leading cause of disease globally, the study said, noting many “non-smokers exposed to second-hand smoke” were among the estimated total of 8 million people who died in 2023 of smoking-related illnesses.
“Exposure to second-hand smoke is a globally recognised health risk, with no safe level of inhalation,” it said.
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