Jane Has Been Diagnosed as Suffering from Cancer; Her Prognosis

Jane has been diagnosed as suffering from cancer; her prognosis is not good and she needs to decide about her treatment. One of the options that she is considering joining a support group. What does the evidence suggest about these groups?

A) Cancer does not respond to such treatments.
B) Although the mechanisms are not clear, such groups are associated with lower death rates.
C) Such self-help groups have developed in order to prepare people to die with greater dignity.
D) The social support that such groups provide has a positive effect on psychological well-being, but no documented effect on physical aspects of cancer.