cigarette smoke particles ClinMed International Library | Electron Microscopic Analysis of Silicate and Calcium in Tar Tobacco smoke particles on filter

The percentage RR of smoking ten cigarettes per week were calculated using figures from the largest and most recent meta-analyses, case-control, or cohort studies available describing the risk of smoking according to frequency of cigarettes smoked, and where the primary end point was cancer incidence (Additional file 1: Table S5)

Inspect Your Wraps: Before traveling, check the plastic wrap on your batteries

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*Maximum estimate of 1 second puffs per pack

Any appliance that burns fuel indoors could be a potential source for carbon monoxide including gas stoves, clothes dryers, water heaters, furnaces, grills, generators, car engines and fireplaces

What they researched: Study authors examined a large cohort of 463,396 adolescents (ages 13 to 17) in a Northern Californian health system over ten years (2013-2023)