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NBC Nightly News: Night Hazard?

November 29, 2007



NBC Nightly News feature on the impending declaration by the World Health Organization (WHO) that working nights is a probable cause of cancer. Charles A. Czeisler, PhD, MD interviewed regarding study findings pointing to higher cancer risk among night shift workers.

Link to MSNBC website to watch the video

Link to WHO International Agency for Research on Cancer December 5, 2007 press release

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