After drifting apart for 100 years, the two worlds of genetics — quantitative genetics and
molecular genetics — are finally coming together in genome-wide association (GWA) research, …

Very few genetic variants have been associated with depression and neuroticism, likely
because of limitations on sample size in previous studies. Subjective well-being, a phenotype …

Characterized primarily by a low body-mass index, anorexia nervosa is a complex and
serious illness 1 , affecting 0.9–4% of women and 0.3% of men 2 , 3 – 4 , with twin-based …

Although common sense suggests that environmental influences increasingly account for
individual differences in behavior as experiences accumulate during the course of life, this …

Background The environment can moderate the effect of genes - a phenomenon called
gene-environment (GxE) interaction. Several studies have found that socioeconomic status (SES…

The Twins Early Development Study (TEDS) is a large longitudinal sample of twins born in
England and Wales between 1994 and 1996. The focus of TEDS has been on cognitive and …

Anorexia nervosa (AN) is a complex and heritable eating disorder characterized by
dangerously low body weight. Neither candidate gene studies nor an initial genome-wide …

Background The use of social media data to predict mental health outcomes has the potential
to allow for the continuous monitoring of mental health and well-being and provide timely …

Background: Much of what we thought we knew about genetics needs to be modified in light
of recent discoveries. What are the implications of these advances for identifying genes …

The growing evidence of health risks associated with the rise in childhood obesity adds to
the urgency of understanding the determinants of BMI. Twin analyses on repeated …