  To verify the Global Burden of Disease Study and the provided healthy life
expectancy (HALE) estimates from the World Health Organization (WHO) we propose
a very simple model based on the mortality {\mu}x of a population provided in a
classical life table and a mortality diagram. We use the abridged life tables
provided by WHO. Our estimates are compared with the HALE estimates for the
World territories and the WHO countries. Even more we have developed the
related simple program in Excel which provides immediately the Life Expectancy,
the Loss of Healthy Life Years and the Healthy Life Expectancy estimate. We
also apply the health state function theory to have more estimates and
comparisons. The results suggest improved WHO estimates in recent years for the
majority of the cases. Keywords: Health state function, Healthy life
expectancy, Mortality Diagram, Loss of healthy years, LHLY, HALE, DALE, World
Health Organization, WHO, Global burden of Disease, Health status.
