Background: Common functional Val158Met polymorphism in the Catechol-O-
methyltransferase (COMT) gene may have an impact on an individual's susceptibility to …

Nicotine addiction, the result of tobacco use, leads to over six million premature deaths
world-wide per year, a number that is expected to increase by a third within the next two …

Objective Previous studies have suggested a possible association between metals and
sleep disorders. This study aimed to explore the association between Zn, Cu, Se, Mg and Ca …

Objective The association between ecological/lifestyle factors and major depressive
disorder (MDD) have been provided but was inconsistent as characteristics of population …

Both pathological and neuroimaging studies demonstrate that chronic alcohol abuse causes
brain atrophy with widespread white matter loss limited gray matter loss. Recent …

Background Many studies having shown significant improvements in non-social and social
cognitive performance in smoking FEP patients compared to non-smoking FEP patients. The …

METHODS In our observational study, 5067 mother–child pairs were included from
Shandong Province, China. Mothers filled in questionnaires about exposure to SHS during …

Objective: To investigate the effects of cigarette smoking on neuropsychological
performance in patients with mood disorders. Method: One hundred depressed patients with …

Objectives Little is known about combined effect of obstructive sleep apnea (OSA) and
chronic smoking on cognitive impairment. We aimed to determine whether smoking …

Purpose: The objective of the present investigation was to prepare and evaluate transdermal
patches for nicotine. Methods: Pectin isolated from the hulls of Monthong durian or leaves of …