Background Whether cannabis can cause psychotic or affective symptoms that persist
beyond transient intoxication is unclear. We systematically reviewed the evidence pertaining …

Background Reducing high blood cholesterol, a risk factor for cardiovascular disease (CVD)
events in people with and without a past history of coronary heart disease (CHD) is an …

BackgroundIt is unclear if research findings support clinical opinion that cannabis use leads
to worse outcomes in people with psychosis, or whether this impression is confounded by …

There is increasing interest in the influence of place on health, and the need to distinguish
between environmental and individual level factors. For environmental-level factors, current …

Background So‐called'third wave'cognitive and behavioural therapies represents a new
generation of psychological therapies that are increasingly being used in the treatment of …

Background Reducing the transmission of severe acute respiratory syndrome coronavirus 2
(SARS‐CoV‐2) is a global priority. Contact tracing identifies people who were recently in …

Objectives To determine the effects of low-to-moderate levels of maternal alcohol
consumption in pregnancy on pregnancy and longer-term offspring outcomes. Search …

Public health and health service interventions are typically complex: they are multifaceted,
with impacts at multiple levels and on multiple stakeholders. Systematic reviews evaluating …

Background Behavioural therapies represent one of several categories of psychological
therapies that are currently used in the treatment of depression. However, the effectiveness …

Background: Exposure to domestic violence and abuse (DVA) during childhood and
adolescence increases the risk of negative outcomes across the lifespan. Objectives: To …