About half 50-plus get colon cancer screenings

But researchers reporting in the Journal of Cancer, Epidemiology, Biomarkers and Prevention say, still, the current rate of screening is an improvement from the 43 percent who received the tests back in 2000.

They believe lack of insurance is one reason, but beyond health insurance, researchers report people were far more likely to have had colorectal cancer screening tests if they were college educated and had seen their doctor at least twice last year.

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