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At the core of the
epidemiologic challenge to improve population health is the imperative to
add life to years while simultaneously adding years to life. Life Expectancy
as a measure only addresses life years or quantity of life. Health-adjusted
Life Expectancy or Healthy Life Expectancy represents the new generation of
public health measures that reflect the quality of life. It largely aims to
take account of life years free of serious chronic morbidity. One measure of
Healthy Life Expectancy combines mortality data with survey data on
self-perceived health status.
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