Research brief: Bowel cancer risk higher in smokers and drinkers

Alcohol, tobacco use and being male are associated with earlier onset of colorectal cancer, according to US research. The records of 161,172 patients with colorectal cancer were analysed to identify risk factors. Alcohol and tobacco users were found to develop cancer 7.8 years earlier on average (Arch Intern Med 2006;166:629-34).

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