Multiple studies have demonstrated an association between cigarette smoking and
increased anxiety symptoms or disorders, with early life exposures potentially predisposing …

Tobacco smoking is an extremely addictive and harmful form of nicotine (NIC) consumption,
but unfortunately also the most prevalent. Although disproportionately high frequencies of …

Rationale Marijuana (MJ) use continues to rise, and as the perceived risk of using MJ
approaches an all-time historic low, initiation of MJ use is occurring at even younger ages …

Compared to the substantial volume of research on the general health consequences
associated with chronic smoking, little research has been specifically devoted to the …

Cigarette smoking doubles the risk of dementia and Alzheimer's disease. Various
pathophysiological pathways have been proposed to cause such a cognitive decline, but the …

Based upon previous reports of alterations in white matter integrity and gray matter density
in smokers, we examined these markers in a large, well-matched sample of smokers and …

Inattention and impulsivity are the most prominent clinical features of attention deficit
hyperactivity disorder (ADHD) in adulthood. Structural and functional neuroimaging studies …

Individuals who abuse substances often differ from nonusers in their brain structure.
Substance abuse and addiction is often associated with atrophy and pathology of grey …

Rationale: Brain pathology is a poorly understood systemic manifestation of chronic
obstructive pulmonary disease (COPD). Imaging techniques using magnetic resonance …

Reviews of imaging studies assessing the brain effects of vascular risk factors typically
include a substantial number of studies with subjects with a history of symptomatic …