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Circadian Rhythms

Shiftwork that involves circadian disruption is “probably carcinogenic to humans”  (WHO December 2007)

Epidemiological studies have found that long-term nightworkers have a higher risk of breast cancer risk than women who do not work at night. These studies have involved mainly nurses and flight attendants. 


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Mercury

Mercury is the most toxic pollutant after radioactive substances on the EPA’s list of industrial pollutants and there is enough mercury in a single fluorescent light bulb to contaminate 7,000 gallons of fresh water. In Australia only 1% of fluorescent bulbs are recycled and the mercury from these bulbs is refined and used as amalgam fillings in the dentist industry.

 
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