WASHINGTON — The number of white Americans under 55 dying from colorectal cancer has been increasing since the mid-2000s after decades of downward movement, new research published Tuesday showed, though rates among other races remained static or declined. The increase was limited to whites, among whom mortality rates increased by 1.4 per cent per year, from 3.6 in 2004 to 4.1 in 2014. The authors noted "that these disparate racial patterns are inconsistent with trends in major risk factors for colorectal cancer like obesity, which is universally increasing." They were also surprised by the progression of colorectal cancer mortality in those aged over 50 because screening starting around age 50 has been recommended for decades. The researchers, led by Rebecca Siegel, added the rising mortality rates "strongly suggests that the increase in incidence is not only earlier detection of prevalent cancer, but a true and perplexing escalation in disease occurrence."

Source: Viet Nam News August 09, 2017 03:33 UTC