. . . . chemotherapy's success record is dismal. It can achieve remissions in about 7% of all human cancers; for an additional 15% of cases, survival can be "prolonged" beyond the point at which death would be expected without treatment. This type of survival is not the same as a cure or even restored quality of life.
Perhaps the habit which distinguishes civilized people from others is that of discussion, exchange of opinion and ideas, the ability to differ without quarrelling, to say what you have to say civilly and then to listen civilly to another speaker.