Up to four in ten cancer cases worldwide could be prevented, according to a new global analysis from the World Health Organization (WHO) and its International Agency for Research on Cancer (IARC). The study examines 30 preventable causes, including tobacco, alcohol, high body mass index, physical inactivity, air pollution, ultraviolet radiation and \u2013 for the first time \u2013 nine cancer-causing infections.<\/p>\r\n
Released ahead of World Cancer Day \u2013 4 February \u2013 the analysis estimates that 37% of all new cancer cases in 2022, around 7.1 million cases, were linked to preventable causes. The findings highlight the enormous potential of prevention to reduce the global cancer burden.<\/p>\r\n
Fink H, Langselius O, Vignat J, Rumgay H, Rehm J, Martinez RX, et al. Read IARC Press Release 375<\/a><\/p>\r\n Read the article<\/a><\/p>\r\n Read the Q&A<\/a><\/p>\r\n View the infographics<\/a><\/p>\r\n View Cancers Attributable to UV Radiation<\/a><\/p>\r\n
\r\nGlobal and regional cancer burden attributable to modifiable risk factors to inform prevention
\r\nNat Med<\/em>. Published online 3 February 2026;
\r\nhttps:\/\/doi.org\/10.1038\/s41591-026-04219-7<\/p>\r\n