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.

PID is linked to infertility, ectopic pregnancy, and reproductive tract cancers, with a higher prevalence in the U.S. compared to global rates. The study used serum cotinine levels to objectively ...

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 ...