Administration of melatonin during chemotherapy may prevent some chemotherapy-induced side effects, particularly myelosuppression and neuropathy. Oncologists often prescribe drugs (Leukine) that work in a similar way as melatonin to protect the immune system.
Definition: Mortality is incidence of death in a population. It is measured in various ways, often by the probability that a randomly selected individual in a population at some date and location would die in some period of time. Contrast to morbidity. Terms related to Mortality: 1  Morbidity. 2  Reinsurance.  Indemnity.
Death is the permanent termination of all biological functions which sustain an organism, and as such, is the end of its life. Extinction is the process by which an entire group or taxon, normally a species, dies out. Fossils are the preserved remains or traces of organisms.