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О Хиспанских Долгожителях

Тут некоторые товарищи гадают, отчего эмигранты из Латинской Америки, исключая кубинцев и пуэрториканцев, живут дольше и меньше болеют, чем коренные американцы. Пытаясь объснить это явление, эти товарищи склоняются в пользу селекции эмигрантов, и предполагают, что слабые и больные или не едут в США, или уезжают помирать обратно в свои Гондурасы.

Мне кажется, эти товарищи неправы.

Кароче, урки: крепкое здоровье латиносов я объясняю не отбором, а тем, что они не жиреют, и не сидят целый день на своих жопах, как местные. Умеренное питание плюс физический труд, вот вам и долголетие. И не надо к врачу с каждым прыщиком бегать, а то врач вместе с прыщиком гланды удалит.

The Salmon Effect

By Richard Morin
Sunday, December 19, 2004; Page B05

For years, demographers have asked themselves this question: Why do adult Hispanics living in the United States live so long and never seem to get sick? Demographers call it the "Hispanic Paradox": Hispanics, who tend to be poorer and have fewer advantages than non-Latino whites, nonetheless seem to live longer and have healthier lives, on average, than their Anglo counterparts.

The disparity in life expectancy is large, report demographers Alberto Palloni of the University of Wisconsin and Elizabeth Arias of the National Center for Health Statistics. They found the overall adult mortality rate was a whopping 30 to 50 percent lower for Hispanics than for whites. Those differences "translate into five to eight years of additional life expectancy at age 45" for Hispanics living in the United States, Arias and Palloni reported in a recent issue of the journal Demography.

Moreover, "these large differences persist even after we controlled for factors associated with longevity," Palloni said. The gap is large enough to prompt researchers to wonder, "Is this true? Is this real?" he said.

To find out, Arias and Palloni examined health and demographic data collected annually by the federal government on approximately 130,000 individuals between 1985 and 1994.

They used a data file that contained matched records from the survey and death records. The file allowed them to determine who subsequently died and from what causes during the study period.

The first thing they found is that not all Hispanics in the United States live longer, healthier lives than Anglos. There was no difference between the mortality rates of non-Hispanic whites and Latinos born in Puerto Rico or Cuba. But among foreign-born Hispanics other than Cubans or Puerto Ricans, the paradox held. "They died later, and didn't get sick as often," Palloni said.

But why?

One clue came when they saw that the mortality gap was particularly large among men and women born in Mexico who lived in states closest to the Mexican border. Digging deeper into the data, they found the answer: The ill and infirm apparently returned home to die and thus didn't appear in U.S. vital statistics data, while healthy Mexican immigrants remained in the United States. It's called the "salmon effect," Palloni laughed.

But the puzzle wasn't completely solved. Hispanics living in the United States who were born in foreign countries other than Mexico also lived longer and healthier lives, despite the absence of a salmon effect.

Some evidence suggests this finding may just be the result of bad or incomplete data, Palloni said. Then again, he suspects there might be something about the people who choose to come to the United States. Studies conducted in other countries have yielded this curious finding: "Migrants who come into a country generally fare better than the natives in terms of health. The reason is that in order to be a migrant, you have to be in pretty good health, so it is a select group of people," he said. "But we don't have the data to know for sure."

One thing he does know: The apparent health benefits that seem to accrue to foreign-born Latinos soon vanishes. "When you look at the first generation, the sons and daughters of migrants aren't as healthy . . . whatever advantage the parents had crumbles later on."
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