This investigation compared microbial data from fecal samples obtained by different collection methods used in ongoing colorectal cancer screening programs from around the world. The study showed that microbial data obtained from fecal immune test (FIT) tubes and specimen collection cards may be appropriate methods to collect fecal samples for microbiome research in population-based cohorts. Furthermore, the opportunistic collection of fecal samples after colorectal cancer screening is feasible, thereby permitting the potential establishment of cohorts within such screening programs. This study has generated important methodological data on the impact of fecal sample collection tools on microbial measurements that is needed for future epidemiological research on the microbiome and cancer.

In this study, Charvat and colleagues explored the association between excess weight during early to mid-adulthood and survival in patients diagnosed with breast and colorectal cancer, using a pooled analysis of five cohort studies and study participants from 11 countries. The...

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