date:Jul 21, 2012
data from a total of 132,837 individuals in China who were enrolled in the Shanghai Women's Health Study (SWHS) from 1997-2000 or the Shanghai Men's Health Study (SMHS) from 2002-2006 two population-based cohort studies jointly conducted by the Shanghai Cancer Institute and Vanderbilt University.
Using validated food-frequency questionnaires, the researchers conducted in-person interviews to gather data on study participants' dietary habits. They compared liver cancer risk among participants