2011 Global Cancer: Facts and Figures 2nd Edition - American Cancer Society
52 page Note
http://www.cancer.org/acs/groups/content/@epidemiologysurveilance/documents/document/acspc-027766.pdf
By the early 1990s the number of people being diagnosed with cancer at some point in their lifetime had risen from one in four to one in three. It has been increasing slowly ever since and in 2010 was four in ten for persons (1 for 2.5).
http://www.cancerresearchuk.org/cancer-info/cancerstats/incidence/risk/statistics-on-the-risk-of-developing-cancer
Risk of cancer increases with age.Children and young people are less affected by it.
Less than one per cent of all cancers in the UK occur in children (aged 0-14).
Less than one per cent of all cancers in the UK occur in the teenagers and young adults (aged 15-24).
http://www.cancerresearchuk.org/cancer-info/cancerstats/keyfacts/Allcancerscombined/
Hair Dyes and Cancer Risk - 2014 American Cancer Society article
