Tobacco, alcohol, obesity and air pollution are ‘key factors in increasing incidence’ Asia concentrates almost half of the cases detected in 2022, according to the IARC. On average, one in five people will develop cancer during their lifetime.

lung cancer kills the most with 1.8 million deaths in 2022 and it is men, historically the heaviest smokers, who are the first to be affected.. More than half of cancers are not attributable to a given risk factor, which shows that prevention is not enough.