Here is a comprehensive article about radon:
http://www.epa.gov/radon/pubs/citguide.html
Radiation and Cancer
Radon-222
Strontium-90
There are two good obituaries for Louise Reiss:
http://www.nytimes.com/2011/01/10/science/10reiss.html
http://www.stltoday.com/news/local/-obituaries/article_bc5094d0-34b1-5c14-b4b0-fd8251cb7990.html.
Iodine-131
Here are two useful papers on thyroid cancer from exposure to iodine-131 released in atomic bomb tests at the Nevada Test Site:
http://www.senes.com/Thyroid.Doses.Final.Report.pdf
http://www.cancer.gov/i131/fallout/contents.html
Ultraviolet radiation (UV)
For more information on UV radiations and skin cancer, see:
http://www.skincancer.org/prevention/uva-and-uvb
For additional information on cases of skin cancer world-wide, go to:
http://www.who.int/mediacentre/factsheets/fs305/en/index.html
Polonium-210
For more on polonium-210 as well as the murder of Victor Litvenenko, see:
http://news.bbc.co.uk/2/hi/health/6181688.stm
Smoking and Tobacco
There is a useful summary of the effects of secondhand smoke on non-smokers at:
http://thechart.blogs.cnn.com/2010/11/26/secondhand-smoke-kills-600000-worldwide-annually/.
For more on cigarette smoking and lung cancer, see:
“Molecular Clues to Preventing Tobacco-Related Lung Cancer,” http://www.nypcancerprevention.com/issue/7/pro/feature/molecular-clues-to-preven.shtml.
How Does Radiation Cause Cancer?
For an overview of radiation’s relation to cancer, see:
http://www.cancer.org/cancer/cancercauses/othercarcinogens/medicaltreatments/radiation-exposure-and-cancer
http://hss.energy.gov/HealthSafety/ohre/roadmap/achre/intro_9_5.html
For new thinking on the role of “junk” DNA in cancer, see:
http://www.nytimes.com/2012/09/06/science/far-from-junk-dna-dark-matter-proves-crucial-to-health.html
For the effects of low-dose radiation, go to:
http://www.nap.edu/openbook.php?record_id=11340&pag