While some older people benefit from colon cancer screening, those who are less healthy, and may be dependent on home care, are better off not having it, research has shown.
A study published in journal Archives of Internal Medicine found that the healthiest US veterans over the age 70 gained the greatest benefit from having colon cancer screening.
Researcher Christine E Kistler said that the study underlines that a better job needs to be done when identifying older people likely to benefit from colon cancer screening.
"At the same time, this study also shows that we need to seriously examine why those seniors who are not likely to benefit are being subjected to colon cancer screening," she said.
In other news, a new marker for diagnosing prostate cancer has been uncovered, according to a study published in journal Proceedings of the National Academy of Sciences.
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