Inclusion criteria | Exclusion criteria |
---|---|
Female | Presently using sex hormones |
Age 50–69 yr | Use of β-blockers or oral corticosteroids |
Postmenopausal (>12 mo since last menses) | Smoking |
Body mass index (BMI) 25–35 kg/m2 | Alcohol or drug abuse |
Insufficiently active (<2 h/wk of at least moderately intensive activities (≥4 MET)) | Diagnosed breast cancer (present or history) |
Willing to be randomly assigned to one of the three study arms | Diagnosed with other cancer (present or <5 yr of history), except non-melanoma skin cancer |
Informed consent for all screening and study activities | Diabetes mellitus or other (unstable) endocrine-related diseases |
 | Any disorder that might impede participation in the exercise programme |
 | Following, or intention to follow, a structured weight loss programme elsewhere |
 | Investigator’s opinion (i.e., successful fulfilling of the programme highly unlikely) |