“…On the other hand, meta-analyses and systematic reviews support the notion that “exercise as medicine” ( Pedersen and Saltin, 2015 ; Gerber et al, 2016 ; Hallgren et al, 2016 ) also benefits patients with mental disorders such as major depressive disorders ( Knapen et al, 2015 ; Stubbs et al, 2016 ; Bailey et al, 2017 ; Krogh et al, 2017 ; Schuch et al, 2017 ; Sukhato et al, 2017 ; Vancampfort et al, 2017a ; Wu et al, 2017 ), including among elderly patients ( Mikkelsen et al, 2017 ; Perez-Lopez et al, 2017 ), post-partum depression ( McCurdy et al, 2017 ; Poyatos-Leon et al, 2017 ; Pritchett et al, 2017 ; Saligheh et al, 2017 ), bipolar disorders ( Vancampfort et al, 2017a ), post-traumatic stress disorders ( Rosenbaum et al, 2015 ; Vancampfort et al, 2016 ), anxiety disorders ( Gordon et al, 2017 ; Stubbs et al, 2017 ; Vancampfort et al, 2017b , c , d ), and psychosis/schizophrenia ( Pajonk et al, 2010 ; Keller-Varady et al, 2017 ; Mittal et al, 2017 ; Tarpada and Morris, 2017 ; Vancampfort et al, 2017a ), while among patients with substance use disorders the evidence supporting regular exercise is weaker [alcohol use disorder: ( Vancampfort et al, 2015a ; Hallgren et al, 2017 ); tobacco use disorder: ( Ussher et al, 2014 )].…”