General markers of obesity such as the body mass index are associated with cancer incidence and mortality. However, associations among specific adipose tissue depots and cancer risk are not well understood. Katzmarzyk and colleagues conducted a prospective cohort study in a bi-racial sample of men and women. Total body fat mass and abdominal visceral adipose tissue were positively associated with cancer incidence, while visceral adipose tissue was also associated with cancer mortality. Race and sex interactions were not statistically significant, suggesting similar associations among Black and White men and women. 

Smoking is associated with anal cancer incidence. Umutoni and colleagues sought to determine if smoking was associated with anal HPV prevalence, incidence, and persistence in men without HIV. The authors found that current smokers were more likely to have a higher prevalence, incidence and persistence of anal HPV compared to never smokers. There was no difference in anal HPV natural...

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