Background: Previous reports have suggested that the incidence of psychotic disorders has either been stable or decreasing over time in high-income countries, but overall trends may not capture birth ...

Early sexual activity, often defined as initiation before 16, is a risky behaviour associated with many negative social and health outcomes. Sexual norms restricting sex till marriage have declined in ...

The scientific community in the English-speaking world publishes its research findings using technical and scientific English (naturally!). It has its own particular vocabulary. Many words are ...