Event Brief
Study links 1.7 million deaths to second-hand smoke in 2023
By The BriefBrief · Sources (2)
Filed: Sep 07, 2026 at 7:09 PM ET
Summary: A Lancet study says more than 2.7 billion people worldwide, including 767 million children, were exposed to second-hand smoke in 2023. The exposure contributed to nearly 1.7 million deaths, and researchers said there is no safe level of second-hand smoke.
WHO: Lancet study researchers
WHAT: A Lancet study estimated global exposure to second-hand smoke in 2023 and linked it to nearly 1.7 million deaths.
WHEN: Jan 01, 2023
WHERE: Worldwide
WHY: The study attributes the deaths to exposure to second-hand smoke and says there is no safe level of exposure.
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