00:06The Thought ShowWill One in Four People Develop a Mental Health Problem?BBC World Service Duration: 49 minutes Fri 7th Apr 2017, 00:06 on BBC World Service West and Central AfricaAvailable for over a yearListen nowWhere is this figure from and what’s the evidence for it? Show more GenresFactualLife StoriesFormatsDiscussion & TalkBrandThe Thought Show Source: BBC Online