Table 1.

List of terms and their definitions

List of terms	Definitions
Cause of death	The disease or injury, which initiated the train of morbid events leading directly to death, or the circumstances of the accident or violence which produced the fatal injury
Healthspan	Period of time of disease-free health
Lifespan	Amount of time that a person or animal actually lives
Morbidity	Incidence or prevalence of a disease or of all diseases
Mortality rate	Measure of the number of deaths in a given population