Systematic assessment of environmental risk factors for bipolar disorder: an umbrella review of systematic reviews and meta-analyses.
Beatrice BortolatoCristiano A KöhlerEvangelos EvangelouJordi León-CaballeroMarco SolmiBrendon StubbsLazaros BelbasisIsabella PacchiarottiLars Vedel KessingMichael BerkEduard VietaAndré Ferrer CarvalhoPublished in: Bipolar disorders (2017)
Notwithstanding that several environmental risk factors for BD were identified, few meta-analyses of observational studies were available. Therefore, further well-designed and adequately powered studies are necessary to map the environmental risk factors for BD.