Infection causes one in six new cancer cases: study
Largely preventable or treatable infections with viruses, bacteria and parasites cause about two million new cancer cases and 1.5 million cancer deaths each year, said a study published Wednesday.
This amounted to about one in six
of the 12.7 million new cancer cases reported in 2008, said the report
in The Lancet Oncology journal.
"Application of existing public
health methods for infection prevention, such as vaccination, safer
injection practice or antimicrobial treatments, could have a substantial
effect on the future burden of cancer worldwide," said the report by the International Agency for Research on Cancer in Lyon, France.
Four infections,
hepatitis B and C, human papillomavirus (HPV) and the Helicobacter
pylori stomach bacteria, accounted for the bulk of the cases, some 1.9
million -- mostly gastric, liver and cervical cancers.
Infection-related cancers
accounted for 3.3 percent of new cases in Australia and New Zealand, but
32.7 percent in sub-Saharan Africa, said the report, based on a study
of 27 cancer types in 184 countries.
Cervical cancer accounted for half the infection-related cancers in women, and liver and gastric cancers for 80 percent of cases in men.
"Around 30 percent of infection-attributable cases occur in people younger than 50 years," said the report.
Source: (http://news.yahoo.com/infection-causes-one-six-cancer-cases-study-232348390.html )
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