The complexity of tobacco smoke leads to some confusion about the mechanisms by which
it causes lung cancer. Among the multiple components of tobacco smoke, 20 carcinogens …

Across the Western World there is an increasing trend to postpone childbearing.
Consequently, the negative influence of age on oocyte quality may lead to a difficulty in …

BACKGROUND Cigarette smoking is associated with lower fecundity rates, adverse
reproductive outcomes and a higher risk of IVF failures. Over the last few decades …

The mainstream smoke yields of 14 polycyclic aromatic hydrocarbons (PAHs) were
determined for 50 commercial US cigarettes using a validated GC/MS method with the …

Urinary monohydroxy polycyclic aromatic hydrocarbons (OH-PAHs) are a class of PAH
metabolites used as biomarkers for assessing human exposure to PAHs. The Centers for …

Declining cigarette use and spreading bans on smoking in public places in the United States
are encouraging the US cigarette industry to turn to another tobacco category, smokeless …

Polycyclic aromatic hydrocarbons (PAHs) are compounds with two or more benzene rings
whose hydroxylated metabolites (OH-PAHs) are excreted in urine. Human PAH exposure is …

An analytical method for the determination of 16 polycyclic aromatic hydrocarbons (PAHs) in
the mainstream of narghile smoke is presented. The smoke was generated using a digital …

The current lack of empirical data on outdoor tobacco smoke (OTS) levels impedes OTS
exposure and risk assessments. We sought to measure peak and time-averaged OTS …

Cigarette filters (butts) are currently the most abundant form of anthropogenic litter on the
planet, yet we know very little about their environmental impacts on terrestrial ecosystems …