Social support, which is the perception or experience that one is cared for, esteemed, and
part of a mutually supportive social network, has beneficial effects on mental and physical …

Depression is highly common throughout the life course and dementia is common in late life.
Depression has been linked with dementia, and growing evidence implies that the timing of …

Identifying interesting relationships between pairs of variables in large data sets is
increasingly important. Here, we present a measure of dependence for two-variable …

This chapter explores the power of personality traits both as predictors and as causes of
academic and economic success, health, and criminal activity. Measured personality is …

In a previous clinical study, a probiotic formulation (PF) consisting of Lactobacillus helveticus
R0052 and Bifidobacterium longum R0175 (PF) decreased stress-induced gastrointestinal …

Objective: To perform a meta-analysis including all relevant studies exploring the interaction.
Data Sources: We identified studies published through November 2009 in PubMed. Study …

Anhedonia is a core symptom of major depressive disorder (MDD), the neurobiological
mechanisms of which remain poorly understood. Despite decades of speculation regarding …

Objective: Gene-by-environment interaction (G× E) studies in psychiatry have typically been
conducted using a candidate G× E (cG× E) approach, analogous to the candidate gene …

Why do some people take risks and live for the present, whereas others avoid risks and save
for the future? The evolutionary framework of life history theory predicts that preferences for …

There is a bidirectional relationship between depression and chronic medical disorders. The
adverse health risk behaviors and psychobiological changes associated with depression …