On remote islands settled by a few founders, people may suffer high rates of certain genetic diseases.
Despite lower rates of certain heart attacks, the actual rates of death for the drugs were similar.
Researchers also say further work is needed to understand why the rates of certain cancers are rising among young adults.
Some studies have shown that rates of certain cancers are significantly higher around Taranto than in surrounding areas.
The study, published in the journal Nature, also found that rates of certain cancers have been steadily increasing, including melanoma, thyroid, kidney, liver and testicular.
Rates of certain crimes, like murder, remain relatively low, but other dangers, like street muggings and thefts on public transportation, have surged since 2007.
Experts say a lucky combination of factors may for the moment have slowed the arrival of an epidemic, including a low ratio of customers to sex workers, low rates of certain other sexually transmitted diseases and limited intravenous drug use.
And since egg donors go through much the same process as women trying to conceive in vitro, there are concerns that they may be prone to the higher rates of certain cancers that some studies have found among infertility patients.
A law passed this year in New York requires hospitals to report rates of certain types of infections to the State Health Department, which will issue hospital "report cards" in 2009.
But while Rio's authorities have succeeded in lowering rates of certain violent crimes, like homicides, the recent rapes have focused new attention on the dangers of riding Rio's buses and vans, an essential part of life for many residents.
Its only commonplace effect is that it controls the rates of certain sorts of radioactive decay.All matter feels the force of gravity, but only particles called quarks feel all three of the other forces.
