A person's age is one of the best predictors of how much longer they are likely to live. This is the main idea behind life expectancy. Life expectancy is a statistical measure of how long a person is ...
4don MSN
Where are Europe's oldest people living? What geography tells us about a fragmenting continent
For over a century and a half, life expectancy has steadily increased in the wealthiest countries. Spectacular climbs in ...
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