Get Going 2020

As long as medical doctors and pharmacists are paid for treating disease they have no incentive to encourage persons to get going, get out and walk or other physical activity. The benefits of exercise are huge, not only for cardio-vascular strength but also in cancer prevention. Just 5 hours a week is a very reasonable aim to strive for.  Just check for the source directly.
(Zusammenfassung Deutsch hier)
Mathews, C.E. et al. (2019). Amount and Intensity of Leisure-Time Physical Activity and lower Cancer Risk. Journal of Clinical Oncology.