Life expectancy is an estimate of the average number of years a baby born in a given year might expect to live, assuming the death rates at that time hold constant.
We basically have lost 20 years of gains, said the CDC's Elizabeth Arias.
The number of U.S. suicides reached an all-time high last year, and the national suicide rate was the highest seen since 1941, according to a second CDC report released Wednesday.
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