Obesity and colon cancer

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According to a recent study  published in JAMA Oncology, obesity is  associated with an increased risk of early-onset colorectal cancer (CRC) in women.

A medical doctor from Boston Massachusetts General Hospital conducted a study to determine the occurrence of colorectal cancer in 85,256 women without cancer and inflammatory bowel disease based on data from 25-42 -year-old women .

The researchers discovered 114 cases of early-onset CRC (median age at diagnosis, 45 years) during the study period . For overweight women (body mass index [BMI] , 25-29.9 kg / m² ) and obese women (BMI, ≥30 kg / m²) with standard weight ( BMI is 18.5-22.9 kg / m² ) compared with women, CRC increased risk . This finding can be attributed to BMI at 18 years of age and weight gain after 18 years of age. For every 5 units of BMI increase , the RR (relative risk) of colorectal cancer increases by 1.2 . Comparative 18 years old BMI was 18.5-20.9 kg m² / female, BMI is 21 – 22.9 kg / m² women, early onset CRC of RRIs 1.32 , BMI is ≥23kg female RR was 1.63 . Similarly, compared with women who gained less than 5 kg or lost weight, women had an increase of 20-39.9 kg in early-onset CRC with an RR of 1.65 , women with an increase of ≥40 kg and an RR of 2.15.

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