Long term antibiotic use in early to mid-life linked to heightened risk of bowel cancer precursor

Long term antibiotic use in early to mid-life may be linked to a heightened risk of colorectal adenomas, which precede the development of most bowel cancers, research published online in the journal Gut has revealed. The authors from Boston in the US drew on data from the Nurses’ Health Study, which has been monitoring the health of 121,700 US nurses who were aged between 30 and 55 when they entered the study in 1976. Since joining, participants have filled in detailed questionnaires every two years on demographics, lifestyle factors, medical history and disease development, and every four years on their…