Polygenic risk scores obtained as a weighted sum of associated variants can be used to explore association in additional data sets and to assign risk scores to individuals. The methods used to derive polygenic risk scores ...

There has been a debate in the literature about the distinction between primary and secondary negative symptoms of schizophrenia. Our aim was to study the associations between negative symptoms and potential sources of ...

BACKGROUND: Evidence concerning the impact of vaping on respiratory infections remains contradictory. Cell and animal studies suggested that vaping may increase vulnerability to respiratory infections, but human data do ...

Several software programs exist to assist researchers in setting up online questionnaires. Existing tools are of little help for delivering online rating studies, for which it is often desirable to collect data from ...

Material and social environmental stressors affect mental health in adolescence. Protective factors such as social support from family and friends may help to buffer the effects of adversity. The association of violence ...

Approximately one-third of people who have obtained refugee status live in high-income countries. Over recent years, the number of refugees has been increasing, and there are questions on how many of them need mental health ...

BACKGROUND: Non-verbal behaviour is fundamental to social interaction. Patients with schizophrenia display an expressivity deficit of non-verbal behaviour, exhibiting behaviour that differs from both healthy subjects and ...