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Scientists Unveil 'Google Maps' For Human Genome

For decades, scientists thought that most of our genetic code was essentially useless filler between our genes. But the results of a massive project to understand this so-called junk DNA reveal that it contains switches that control how genes function.

Insurer's Files Show Big Cost Differences For Same Illnesses

Some of the cost variations from a UnitedHealthcare database are startling. For treating a basic asthma episode, cases in the 10th percentile of distribution cost $98 each while those in the 90th percentile the cost was $1,535 per case.

High Blood Pressure: Often Recognized, But Still Poorly Controlled

Most adults with high blood pressure are being treated these days. But more than half of all Americans with hypertension still haven't got it under control.

Zanzibar Shows Cholera Vaccine Can Protect Even The Unvaccinated

The results comes from Zanzibar, an island state of Kenya, where half the people in six rural and urban areas received two doses of oral cholera vaccine. The vaccinations led to fewer bacteria circulating, lowering the infection risks even for those who weren't vaccinated.

More Employers' Health Plans Include Benefits For Transgender People

Medical groups, such as the American Medical Association recommend coverage of services for transgender people. Some companies have moved ahead with benefits, but others have held back. One of their big worries is cost.

Why Organic Food May Not Be Healthier For You

Even though organic food has less pesticide residue, a new review of several recent studies finds scant evidence that it has more nutrients or fewer risky bacteria than conventionally grown food. But researchers note that organic agriculture can bring environmental benefits.