What symptom is often associated with cancer treatment that impacts a patient's quality of life?

Nausea and vomiting are common symptoms associated with cancer treatment, particularly due to the effects of chemotherapy and radiation therapy. These symptoms can significantly impact a patient's quality of life by preventing them from maintaining adequate nutrition, leading to weight loss and dehydration. Additionally, nausea can create anticipatory distress, making patients anxious about treatment sessions and reducing their willingness to adhere to their treatment plans.

In contrast, improved appetite, increased energy levels, and a heightened sense of taste are generally not associated with cancer treatments. Patients often experience a lack of appetite and diminished energy due to treatment side effects, rather than improvements in these areas. By identifying nausea and vomiting as the correct answer, it underscores the importance of symptom management as a means of enhancing the overall quality of life for individuals undergoing cancer treatment.