If you get breast cancer it is because you're biologically vulnerable.
"David Spiegel", M.D., is Associate Chair of Psychiatry at Stanford University, where he is known for his research into breast cancer. He directs the Stanford Center on Stress and Health and is "one of the nation's most respected experts in the clinical uses of hypnosis".
David Spiegel is the son of the late Herbert Spiegel, M.D., who was likewise an expert in hypnosis.More David Spiegel on Wikipedia.
My patients call that the prison of positive thinking. There is no truth at all to the idea that if you get sad, angry or frightened about cancer that you're giving in to it and allowing the cancer to grow.
Thinking happy thoughts is not the way to cope with the stress of having cancer.
If no one wants to talk to you about the fact that you're dying, you feel very isolated, ... That's one of the powers of a group.