Graduate School of Sport SciencesWaseda University


How much do we really know about cancer? Content analysis of news coverage on cancer in Japan

Professor Koichiro Oka at Waseda University’s Faculty of Sport Sciences has conducted a content analysis on 5, 314 cancer-related articles in Japanese newspapers published 2011. He discovered that even though Japanese newspapers regularly publish cancer-related articles throughout the year, they did not provide enough effective and accurate information, especially on prevention and screening. A research paper on this topic co-authored by Professor Oka was released in the Journal of Health Communications on June 17.

Miyawaki, R. Shibata, A. Oka, K. (2016), News Coverage of Cancer in Japanese Newspapers: A Content Analysis, Health Communication,

Cancer has been the leading cause of death in Japan, accounting for 28.8% since 1981, and approximately half of the Japanese population has been diagnosed with cancer at least once in their lifetime. Despite 45% of cancer in Japan being preventable, cancer treatment is often discussed while awareness on cancer prevention and screening is under-reported. This makes population approach on cancer a national public health issue. Furthermore, mass media should increase the number of articles focusing on cancer prevention and screening to help effectively promote cancer prevention means and screening efforts to the public.

For more information, you can read the full research paper here:
News Coverage of Cancer in Japanese Newspapers: A Content Analysis

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