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Before a colonoscopy, ask the doctor about his or her detection rate for polyps. And find out how long, on average, the doctor takes to withdraw the scope from the patient. About 10 minutes is the optimal duration, a recent analysis says.

Last year, a little more than half of employers offered health benefits for domestic partner according to a nationally representative sample of about 3,000 employers surveyed by benefit consultant Mercer. That's up from a little less than one-third in 2010.

Research suggests that patients in Canada do better when hospitals spend more on specialized tests and treatments. But the same may not be true in the U.S., where hospitals are already better equipped.

Despite the federal overhaul of health care, people in the pools are left out because of a wrinkle in legal language. The high-risk pools aren't licensed as insurers in most states, so they're not subject to the federal law.

The state legislature is now mulling a change to allow trained home care aides to administer medications to Medicaid patients while working under a nurse's supervision. If the proposal becomes law, it could save the state a bundle.

Until a national health insurance mandate takes effect in 2014, states run stopgap pools to cover people with pre-existing conditions. The federal funds to pay for the coverage are being stretched thin in many states.

Students aren't employees, and student health plans are generally individual policies that the students buy on their own, even if they're offered through the college. So mandatory coverage of birth control for students shouldn't be delayed past August, but it could take longer for the faculty, advocates say.

New federal guidelines say every child should be screened for high cholesterol once between the ages of 9 and 11 and again between 17 and 21. The testing aims to find kids with extremely high cholesterol caused by a genetic condition. But the testing will find others whose cholesterol may not need treatment.

Marilyn Tavenner is the acting administrator of the Centers for Medicare and Medicaid Services. Matt, assistant administrator at Jackson Purchase Medical Center in Mayfield, Ky., is her son.

The California health exchange has focused on drumming up interest in coverage during the first month of operation. Certified enrollment counselors can barely keep up with the requests for assistance that are rolling in.