Interaction between retinol intake and ISX rs5755368 polymorphism in colorectal cancer risk: a case-control study in a Korean population.

This study aimed to examine whether the ISX rs5755368 genotypes are associated with the effect of dietary retinol consumption on CRC risk. We recruited 923 CRC patients and 1846 controls to identify the association between dietary retinol and CRC risk. Dietary retinol intake was assessed using a semiquantitative food frequency questionnaire.

Relationship Between Physical Activity Levels and Thyroid Cancer Risk: A Prospective Cohort Study in Korea.

Physical activity is a protective factor against several types of cancers. However, evidence for the association between physical activity and thyroid cancer (TC) is still inconclusive. We used prospectively collected data from the Korea National Cancer Screenee Cohort, which consisted of 30,435 participants from 20 years who received health examinations at National Cancer Center between June 2007 and December 2014.