Cotinine concentrations in semen, urine, and blood of smokers and nonsmokers.
cross_sectional · Level IV
Where this comes from
- Record sourced from PubMed, PMID 8363014.
- Also identified by PMC identifier 1694994.
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Abstract
Cotinine levels in the semen, urine, and blood of 88 male smokers and nonsmokers, aged 18 to 35, were analyzed via radioimmunoassay. Detectable cotinine levels were found in all three body fluids, and cotinine levels in all three fluids were highly correlated. Cotinine levels in semen and blood were of similar magnitude; cotinine levels in urine were an order of magnitude or more higher. In all three fluids, cotinine levels increased with an increase in cigarette smoke exposure.
Medical subject headings
- Cotinine
- Semen
- Smoking