“…A 2000 review of 38 studies (Thune & Smeland, 2000) encompassed 1451 cancer patients, half of whom had breast cancer (Lindgarde et al, 1982;MacVicar & Winningham, 1986;Winningham & MacVicar, 1988;Mock et al, 1994;Bremer et al, 1997;Dimeo et al, 1997Dimeo et al, , 1998Dimeo et al, , 1999 Exercise as therapy in chronic disease , 1997aPinto et al, 1998;Schulz et al, 1998;Segar et al, 1998;Derman et al, 1999;Keats et al, 1999;Courneya et al, 2000). The majority, but not all, of the studies were intervention studies (Winningham & MacVicar, 1988;Sant et al, 1995;Pinto et al, 1998;Courneya & Friedenreich, 1999;Dimeo et al, 1999;Courneya et al, 2000).…”