Depression, conceptualized as major depressive disorder (MDD), is a complex psychiatric disorder with multiple behavioral changes and alterations in various brain regions. Biochemically, serotonin and others substances like GABA, glutamate, norepinephrin, adrenaline/noradrenaline play an essential role in the pathogenesis of MDD. The paper reviews recent human neuroimaging findings on how the g...

panic attacks are discrete episodes of intense fear or discomfort accompanied by symptoms such as palpitations, shortness of breath, sweating, trembling, derealization and a fear of losing control or dying. although panic attacks are required for a diagnosis of panic disorder, they also occur in association with a host of other disorders listed in the 5h version of the diagnostic and statistica...

Porous solids used in practical applications often possess structural disorder over broad length scales. This strongly affects different properties of the substances confined their pore spaces. Quantifying and correlating it with physical matter is thus a necessary step toward rational use porous process optimization. The present work focuses on recent advances made understanding correlations b...

background: the pattern of drug abuse in iran has dramatically changed in recent years, turning from the traditional opioids [opium, opium dross, and refined opium dross (shireh)] into drugs with newer forms. the present study is aimed at investigating the frequency of pathological changes in the lungs of bodies with positive postmortem toxicology results for narcotics and psychotropic substanc...

Poly-drug use refers to the use of two or more substances at the one time or repeatedly. It is common among both recreational and regular drug users across the world. Poly-drug use is a great contributor to the global number of deaths related to drug overdose. In this case, the likelihood of drug overdose and its pertaining complications in an individual is higher especially when benzodiazepine...

OBJECTIVE Pregnancy is a common time for women to quit using cigarettes and other substances. Such changes in substance use as well as other psychiatric and psychosocial changes during pregnancy can affect gestational weight gain (GWG). Thus, we evaluated the relationship between psychiatric disorders and GWG among pregnant women who had quit smoking. METHODS Pregnant former smokers (n = 281)...

OBJECTIVE To determine incidence and patterns of natural course of ecstasy/stimulant/hallucinogen (ESH) use and disorders as well as cohort effects in a community sample of adolescents and young adults. METHOD Cumulative incidence and patterns of ecstasy use and disorders were examined in a prospective longitudinal design (mean follow-up period=42 months) in a representative sample (N=2446) a...

poly-drug use refers to the use of two or more substances at the one time or repeatedly. it is common among both recreational and regular drug users across the world. poly-drug use is a great contributor to the global number of deaths related to drug overdose. in this case, the likelihood of drug overdose and its pertaining complications in an individual is higher especially when benzodiazepine...

AIM To determine whether the following symptoms: depressive symptoms, eating disorder symptoms and obsessive-compulsive symptoms among adolescents in Kraków secondary schools are associated with an increased risk of psychoactive substance use. METHOD A representative sample of the population of Kraków secondary school pupils was tested. A two-stage draw method identified a group of 2034 2nd f...

since particulate matter (total suspended particles and particulate matter with median aerodynamic diameter less than 10 µm) is one of the important pollutants in the ambient air of tehran, the capital of iran, organic substances, inorganic substances and lead levels in tsp and pm10, correlation between tsp and pm10 concentrations, ratio among the two fractions and relation between tsp and pm10...