psychotic disorders and bipolar disorder (8) and between bipolar disorder and major depressive disorder (9). Although family and twin studies can estimate the shared heritability across disorders, they cannot identify the genetic loci contributing to this overlap. To date, evidence implicating specifi c chromosomal regions and genes in the shared liability to psychotic and mood disorders has la...

Anxiety disorders are highly comorbid with each other and with major depressive disorder. As syndromes, anxiety and mood disorders share many symptoms, and several treatments are effective for both. Despite this overlap, there exist many distinguishing features that support the continued classification of individual anxiety disorders that are distinct from each other and from major depression. ...

BACKGROUND Previous estimates of the prevalence of geriatric depression have varied. There are few large population-based studies; most of these focused on individuals younger than 80 years. No US studies have been published since the advent of the newer antidepressant agents. METHODS In 1995 through 1996, as part of a large population study, we examined the current and lifetime prevalence of...

  Background :5HTTLPR polymorphism (5- Hydroxytryptamine transporter linked promoter region polymorphism) is the most widely studied genetic variant in psychiatry. The present study is a modest effort at ascertaining the role of 5HT transporter linked promoter region polymorphism (5HTTLPR) in anxiety and depressive disorders in Kashmir (India).The aim of this study was to examine 5-Hydroxy tryp...

Epidemiological and clinical studies have shown a positive correlation between smoking and psychiatric disorders. To investigate the prevalence of cigarette smoking, 277 psychiatric outpatients with anxiety or depressive disorders (DSM-IV) answered a self-evaluation questionnaire about smoking behavior and were compared with a group of 68 control subjects. The diagnoses (N = 262) were: 30.2% (N...

objective: the aim of this study was to compare the clinical temperaments and characters of iranian patients with major depressive disorder (mdd) with healthy controls method: the study participants included 47 outpatients with major depressive disorder (mdd) and 120 normal controls with no psychiatric disorders. sampling method was convenience. the mdd patients were diagnosed as mdd by a psych...