Quantitative genetic studies (ie, twin and adoption studies) suggest that genetic influences
contribute substantially to the development of attention deficit hyperactivity disorder (ADHD) …

Bipolar disorder (BP) is a complex disorder caused by a number of liability genes interacting
with the environment. In recent years, a large number of linkage and association studies …

Mood disorders are highly heritable psychiatric disorders. Over the years, many genetic
polymorphisms have been identified to pose a higher risk for the development of mood …

Previous studies have suggested that catechol-O-methyltransferase (COMT), proline
dehydrogenase (PRODH), and brain-derived neurotrophic factor (BDNF) genes are possible …

J. Neurochem.(2011) 119, 555–568. Abstract St. John's wort has been found to be an
effective and safe herbal treatment for depression in several clinical trials. However, the …

Current epidemiologic and genetic evidence strongly supports the heritability of bipolar
disease. Inconsistencies across linkage and association analyses have been primarily …

Based upon a synthesis of findings related to affective illness, a pathophysiologic hypothesis
and possible nosology are proposed. The authors reviewed recent (2001–2004) …

This study is about the place of French and French speakers in the Saskatchewan political
community. Beginning with the political foundations of western Canada in 1870, it argues …

The insightful overview by Sir Michael Rutter (this issue) on gene–environment
interdependence comes about 10 years after the breakthrough Science publications on …

Dass depressive Erkrankungen das Risiko, an einer koronaren Herzkrankheit zu erkranken
oder daran zu versterben, erhöhen können, ist durch epidemiologische Untersuchungen …