I think because so they can stay healthy for while
A patient should be informed of both during and after treatment effect of chemotherapy. During the treatment, the patient may experience gastrointestinal, musculoskeletal or constitutional symptoms, they can be referred to as frequent vomiting, loss of appetite and diarrhea. Some patients may also experience fevers and feel tired quickly. One of the most seen side effects of chemotherapy is alopecia, wherein the patient's hair falls out. While after the treatment, the patient may not feel any side effects immediately, but after a few months or years, signs of heart or kidney problems may appear, so as lung tissue damage or nerve damage. Patients who undergo chemotherapy may experience infertility, or the state wherein your ability to conceive a child is gone or low and also Chemotherapy has a risk that the cancer may reemerge after some time after treatment.
