Nicotine itself could clear from your body in a few hours, but its byproduct can linger for days or weeks. Most nicotine tests detect cotinine, which can show up in urine, saliva, blood, hair, and ...

This study evaluated children in the Cincinnati Childhood Allergy and Air Pollution Study, a birth cohort of children from atopic families. Biagini Myers and colleagues sought to determine the ...

(Reuters) - More than half of the children who took part in a study on exposure to cigarette smoke tested positive for such exposure, despite only a handful of their parents admitting to lighting up, ...

Older adults who smoke tobacco and have higher levels of cotinine, a biomarker that shows tobacco exposure, have higher chances of pre-frailty and frailty, a new study finds. Helping older adults ...

Introduction: Confirming abstinence during smoking cessation clinical trials is critical for determining treatment effectiveness. Several biological methods exist for verifying abstinence (e.g., ...

Implications: Using feedback from this study, we refined and are currently evaluating an intervention incorporating generalized correlation information from Phase I and cotinine testing to determine ...