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Rayjean J. Hung
Epidemiology Research Group

Dr. Rayjean J. Hung 

Prosserman Centre for Health Research
Lunenfeld-Tanenbaum Research Institute
Sinai Health System
60 Murray Street
Toronto Ontario M5T 3L9
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Rayjean J. Hung, Ph.D., M.S.

Head, Prosserman Centre for Health Research
Senior Investigator, Lunenfeld-Tanenbaum Research Institute, Sinai Health System
Division of Epidemiology, Dalla Lana School of Public Health, University of Toronto

Dr. Rayjean Hung conducts research into the molecular and genetic epidemiology of cancer, in particular tobacco-related cancers and childhood cancers. As an epidemiologist, she studies why and how cancer occurs with the ultimate goal of understanding and preventing the disease.

Dr. Hung joined the Institute in December of 2007, most recently from the University of California at Berkeley, where she also held the position of Visiting Researcher at the International Agency for Research on Cancer (IARC) in Lyon, France.

The international scope of her work allows Dr. Hung to provide scientists in Ontario with an important link to cancer research world-wide, and brings renewed attention to the study of cancer being done in the province.

Dr. Hung made headlines in 2008 for her role in an international study that uncovered, for the first time, an important genetic region associated with lung cancer risk. Dr. Hung was first author of a paper published in the most prestigious scientific journal Nature demonstrating that chromosome 15 is associated with lung cancer, and providing new clues on how smoking tobacco can cause this cancer. Lung cancer is the most common cause of cancer death worldwide, with more than 1 million cases diagnosed annually. It is also the most preventable, since, according to the World Health Organization, tobacco smoking is responsible for around 90% of all cases. The disease affects 20,000 Canadian lives annually and 80% of lung cancer patients die within five years.