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    U.S. Blacks Still Lag Whites in Life Expectancy

    Heart disease, cancer and murder main contributors to four-year disparity, experts say

    WebMD News from HealthDay

    By Steven Reinberg

    HealthDay Reporter

    THURSDAY, July 18 (HealthDay News) -- Despite a significant increase in life expectancy in recent decades, black Americans still die almost four years earlier than white Americans do, federal health officials reported Thursday.

    The disparity is largely due to higher death rates from cancer, diabetes, heart disease, murder and stroke, according to statistics released by the U.S. Centers for Disease Control and Prevention.

    "Disparities were larger in the past," said report author Ken Kochanek, a CDC statistician. "The increase in life expectancy has been faster for the black population than the white population, so the gap has been getting smaller. It's 3.8 years in 2010. In 1970, it was 7.6 years, so it's decreased by almost half but the disparity is still there."

    One expert agreed that the news is mixed.

    "The message, though very consistent with similar reports in recent years, holds both optimistic and sobering news for those working to close the gaps in life expectancy by race," said Ellen Meara, an associate professor at The Dartmouth Institute, in New Hampshire.

    The rate of improvement in life expectancy for blacks -- 17 percent compared to 10 percent among whites in the same period -- is cause for optimism, she said.

    "This demonstrates that relative differences in life expectancy by race can and do narrow over time," Meara noted.

    Another expert said education plays a significant role in the racial disparity in life expectancy.

    "It's not surprising that heart disease, cancer and homicide account for the majority of the difference, since the first two at least account for the majority of all deaths in the U.S.," said Stuart Jay Olshansky, a professor in the School of Public Health at the University of Illinois, in Chicago.

    "The next obvious question is why death rates from these causes are higher among blacks," he said.

    In a study by Olshansky that was published last August in the journal Health Affairs, his team examined these differences by level of education.

    "When this is done, the disparities between the least educated blacks and the most highly educated whites are even larger than the disparities shown here," Olshansky said. "In fact, even among the most educated subgroups of the population, disparities exactly like those shown here persist."

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