More than 18 million new cases of cancer are expected this year and it is estimated that 9.6 million people will die from various forms of the disease in 2018, the UN's International Agency for Research on Cancer (IARC) said.
According to IARC, a specialised cancer agency of the World Health Organisation, the disease is a growing global health threat. One in five men and one in six women worldwide develop cancer during their lifetime, and one in eight men and one in 11 women die from it, IARC's Global Cancer Observatory said on Wednesday in its first report since 2012.
"These new figures highlight that much remains to be done to address the alarming rise in the cancer burden globally and that prevention has a key role to play," IARC Director Christopher Wild said.
"Efficient prevention and early detection policies must be implemented urgently to complement treatments in order to control this devastating disease across the world," Wild added.
In India, the number of new cancer cases in 2018 among male and female and in all ages stood at 1,157,294. Of this, 587,249 were women diagnosed with cancer.
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The risk of developing cancer before the age of 75 years was 9.81 per cent for males and 9.42 per cent for females. The number of cancer deaths in the country stood at 784,821. The risk of dying from cancer before the age of 75 years was 7.34 per cent for males and 6.28 per cent for females. The top five most frequent cancers for both male and female in India are breast, lip and oral cavity, cervix and uteri, lung, stomach.
The report said that globally the increasing cancer burden is due to several factors, including population growth and ageing as well as the changing prevalence of certain causes of cancer linked to social and economic development. This is particularly true in rapidly growing economies, where a shift is observed from cancers related to poverty and infections to cancers associated with lifestyles more typical of industrialized countries, it said.
Effective prevention efforts may explain the observed decrease in incidence rates for some cancers, such as lung cancer and cervical cancer. However, the new data show that most countries are still faced with an increase in the absolute number of cases being diagnosed and requiring treatment and care.
Global patterns show that for men and women combined, nearly half of the new cases and more than half of the cancer deaths worldwide in 2018 are estimated to occur in Asia, in part because the region has nearly 60 per cent of the global population.
The report said that six years ago, there were an estimated 14.1 million new cancer cases and 8.2 million cancer-related deaths, compared with 12.7 million and 7.6 million, respectively, in 2008.
Europe accounts for nearly a quarter of global cancer cases and one-fifth of cancer deaths, although it has only nine per cent of the global population.
The Americas have more than 13 per cent of the global population but account for 21 per cent of cancers and some 14 per cent of global mortality.
In Asia and in Africa, cancer deaths (57.3 per cent and 7.3 per cent respectively) are higher than the number identified (48.4 per cent and 5.8 per cent). This is because these regions have a higher frequency of certain cancer types that are associated with poorer prognosis, and higher mortality rates, IARC says, in addition to limited access to diagnosis and treatment.
Lung cancer is a leading cause of death for both men and women and is the leading cause of cancer death in women in 28 countries, IARC says.
The highest incidence rates of this form of the disease in women are in North America, Northern and Western Europe - notably Denmark and the Netherlands - China, and Australia and New Zealand; with Hungary topping the list.
The findings suggest that many countries have much more to do to prevent smoking-related cancers, although a significant number have adopted measures to reduce smoking and exposure to second-hand tobacco smoke.
"Given that the tobacco epidemic is at different stages in different regions, and in men and women, the results highlight the need to continue to put in place targeted and effective tobacco control policies in every country of the world," IARC's Head of the Section of Cancer Surveillance Freddie Bray said.
In addition to cancers of the lungs, those that target the female breast and colorectal areas, are the most common types. They are also among the five most dangerous forms of cancer, representing one third of all cancer incidence and mortality worldwide, according to IARC's GLOBOCAN 2018 database, which provides estimates of incidence and mortality in 185 countries for 36 types of cancer.
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