diagnosed and pharmacologically treated psychiatric disorder except depressive adaptation disorder as a reaction to cancer diagnosis

ECOG status \> 1

prior malignancy with a disease-free survival \< 10 years except curatively treated basalioma of the skin and carcinoma in situ of the cervix

prior ductal carcinoma in situ (DCIS) ot the breast

pregnancy or breastfeeding

regular practice of yoga or walking during the past 12 months

Iyengar Yoga for Chemotherapy-induced Fatigue in Breast Cancer Patients