A new study found a link between obesity and colorectal cancer in 20- and 30-year-olds.
As reported by Vox, the study results published in JAMA discovered one piece to a puzzle that has baffled scientists in recent years. Colorectal cancer has historically inflicted people of middle-age and older.
“In a prospective cohort study of 85,256 women, those with obesity (body mass index greater than 30) had a nearly doubled risk of early-onset colorectal cancer compared with women with a body mass index of 18.5 to 22.9,” the study authors wrote.
“The findings suggest that obesity is associated with an increased risk of early-onset colorectal cancer; further investigations are needed to identify whether this association is causal.”
The study began in 1989 and recruited 85,256 female nurses in the United States to participate. At the time, they were all in the 25-42 age range.
The authors conceded that more research is needed to confirm whether obesity is truly a contributing factor to colorectal cancer. As Vox noted, poor diets are generally one cause of obesity, which could also play a role in the rising rate of colorectal cancer in younger people.
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