Cancer Disease 'to kill 5.5 million women a year by 2030'
The relative burden is growing for developing countries as people live longer due to better basic healthcare.
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Cancer will kill 5.5 million women -- about the population of Denmark -- per year by 2030, a near 60-percent increase in less than two decades, a report said Tuesday.
As
the global population grows and ages, the highest toll will be among
women in poor and middle-income countries, it said, and much of it from
cancers which are largely preventable.
"Most of the deaths occur in young and middle-aged adults," placing a heavy burden on families and national economies, said Sally Cowal, senior vice president of global health at the American Cancer Society, which compiled the report with pharmaceutical company Merck.
The
review "highlights the large geographic inequality in availability of
resources and preventive measures and treatment to combat the growing
burden of cancer," she told AFP.
Cancer
is already killing one in seven women around the world, said the report
-- the second highest cause of death after cardiovascular disease.
All
four of the deadliest cancers -- breast, colorectal, lung and cervical
cancer -- are mostly preventable or can be detected early, when
treatment is more successful.
In poorer
countries, a much smaller proportion of cancer cases are diagnosed and
treated than in rich ones, while a much bigger group dies.
The relative burden is growing for developing countries as people live longer due to better basic healthcare.
Women in these countries are also increasingly exposed to known cancer risk factors "associated with rapid economic transition," said Cowal, "such as physical inactivity, unhealthy diet, obesity, and reproductive factors" such as postponing motherhood.
"Due to these changes, cancers that were once common only in high-income countries are becoming more prevalent," said the report entitled "The Global Burden of Cancer in Women."
It was presented Tuesday at the World Cancer Congress in Paris.
According
to the International Agency for Research on Cancer, there were 6.7
million new cancer cases and 3.5 million deaths among women worldwide in
2012.
Of these, 56 percent of cases and 64 percent of deaths were in less developed countries.
"These
numbers are expected to increase to 9.9 million cases and 5.5 million
deaths among females annually by 2030 as a result of the growth and
ageing of the population," said the new report.
Regional differences
The biggest concentration is in eastern Asia, with 1.7 million cases and a million deaths in 2012, mainly in China.
The
report said the highest ratio of cancer cases per population group are
still reported in high-income countries in Europe, the Americas and
Asia, but this was partly due to better access to screening and
detection.
Deaths, however, were
proportionally much higher in low- and middle-income countries with
reduced access to diagnosis and treatment. The countries with the
highest death rate were Zimbabwe, Malawi, Kenya, Mongolia and Papua New
Guinea.
Breast and lung cancer are the
two most common types in both rich and poor nations, with colorectal
cancer the number three killer in developed countries, and cervical
cancer in less developed ones.
Cervical
cancer can be staved off by vaccination against the cancer-causing Human
papillomavirus (HPV), and can be easily detected through regular
Papanicolaou (pap) test screens.
"Breast
cancer is the most commonly diagnosed cancer among women in 140
countries worldwide and cervical cancer is the most common in 39
countries, all of which are LMICs (low- and medium-income countries)," said the report.
It
said the global economic burden of cancer for both genders was about
$286 billion (261 billion euros) in 2009, including costs for treatment
and care, and loss of workforce productivity.
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