Question

among cancer patients who are depressed, treating the depression: not only improves quality of life but also increases survival rate. improves quality of life but does not increase survival rate. increases survival rate but does little to improve quality of life. neither improves survival rate nor improves quality of life.

Explanation:

Depression treatment in cancer patients mainly enhances their quality of life. While it may have some positive impacts on overall well - being, there is no strong evidence to suggest it significantly increases the survival rate.

Answer:

improves quality of life but does not increase survival rate.