One in five men and one in six women in the world will develop cancerduring their lifetime. This is one of the worrying conclusions of the International Agency for Research on Cancer (IARC), an international agency created by the World Health Organization. In a report published on Wednesday 12 September in CA: A Cancer Journal for Clinicians, IARC experts report on the progress of cancer worldwide. Main finding: the “global burden of cancer” is increasing. The researchers analyzed data from 185 countries and 35 cancer types.
There will be an estimated 18.1 million new cancer cases and 9.6 million cancer deaths in 2018, according to IARC. These estimates are higher than the figures from the previous report from 2012, which estimated the number of new cases and 8.2 million annual deaths at 14.1 million.
Lung cancer, mainly linked to tobacco, is the cancer from which people die the most, all sexes combined, with 18.4% of all cancer deaths. Next come colorectal cancer, followed by prostate and stomach cancer.
The study provides indications by gender: lung canceris the most common cancer and leading cause of cancer death in men, followed by Prostate cancerand colorectal cancer (for incidence) and liver cancerand stomach (for mortality).
Breast cancer is the deadliest cancer in women
In the woman, breast cancer is the leading cause of cancer death (11.6% of cancer deaths followed by colorectal cancer and lung cancer (for incidence). Cervical canceris the fourth most common and deadly cancer in women.
But these data are subject to significant variations depending on the country studied. “The most commonly diagnosed cancer and the leading cause of cancer death vary greatly from country to country and from country to country depending on the degree of economic development and social and lifestyle factors associates”, specifies the study. For example, cancer is the leading cause of death among people under 70 in North America, Western Europe and Australia, while it is the third or fourth cause of death in sub-Saharan Africa and the Middle East, precise The world.
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