+**Life Expectancy** is the average period an organism is expected to live, a fundamental measure in [demography](/wiki/demography) and public health. It reflects the cumulative impact of [mortality](/wiki/mortality) rates, environmental conditions, and medical advancements over time.
+## See also
+- [Aging](/wiki/aging)
+- [Longevity](/wiki/longevity)
+- [Healthcare](/wiki/healthcare)
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