Please provide your email address to receive an email when new articles are posted on . High urinary levels of cotinine appeared associated with a fourfold increased risk for recurrence of nonmuscle ...

The characteristics of this study population are outlined in Table 1. African-American children were slightly older than white children, and resided in households with a smaller volume.

This is a preview. Log in through your library . Abstract Introduction: The nicotine metabolite ratio (NMR), the ratio of trans-3′-hydroxycotinine (3-HC) to cotinine, has been used as a biomarker of ...

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

Nicotine has a half-life of about two hours and can stay in the blood for about one to three days. Cotinine, a byproduct of nicotine, has a half-life of 18 hours and can last for several days.

BUFFALO, N.Y. -- Fertility researchers at the University at Buffalo have shown that nicotine and cotinine, a substance produced by nicotine's breakdown, cause sperm to change in ways that could reduce ...

Scientists have discovered that a metabolite of nicotine may help improve memory and protect brain cells against dementia. Known as cotinine, the drug has neither the addictive properties nor the ...

CHEST. 2007;131(3):856-862. Our study is subject to some limitations. First, our study included only children with asthma, which could limit the generalizability of our results. However, other studies ...