Long-term physical health conditions and youth anxiety and depression: Is there a causal link? - Amy Shakeshaft; Jessica R. Mundy; Emil M. Pedersen; Charlotte A. Dennison; Lucy Riglin; Daniela Bragantini; Elizabeth C. Corfield; Ajay K. Thapar; Ole A. Andreassen; Evie Stergiakouli; George Davey Smith; Laurie Hannigan; et al. (Psychological Medicine, 2025)