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A new study finds that compared to people born around 1950, when colorectal cancer risk was lowest, those born in 1990 have double the risk of colon cancer and quadruple the risk of rectal cancer.
The study is led by American Cancer Society scientists and appears in the Journal of the National Cancer Institute. It finds colorectal cancer (CRC) incidence rates are rising in young and middle-aged adults, including people in their early 50s, with rectal cancer rates increasing particularly fast. As a result, three in ten rectal cancer diagnoses are now in patients younger than age 55.
To get a better understanding, investigators led by Rebecca Siegel, MPH of the American Cancer Society used "age-period-cohort modeling," a quantitative tool designed to disentangle factors that influence all ages, such as changes in medical practice, from factors that vary by generation, typically due to changes in behavior. They conducted a retrospective study of all patients 20 years and older diagnosed with invasive CRC from 1974 through 2013 in the nine oldest Surveillance, Epidemiology, and End Results (SEER) program registries. There were 490,305 cases included in the analysis.
The study found that after decreasing since 1974, colon cancer incidence rates increased by 1% to 2% per year from the mid-1980s through 2013 in adults ages 20 to 39. In adults 40 to 54, rates increased by 0.5% to 1% per year from the mid-1990s through 2013.
Also at The New York Times
Study: Colorectal cancer incidence patterns in the United States, 1974-2013; J Natl Cancer Inst (2017) 109(8): DOI: 10.1093/jnci/djw322
(Score: 2) by edIII on Wednesday March 01 2017, @09:53PM (3 children)
Why is this modded troll? It was my first thought as well and it has nothing to do with LGBTQAGH-whatever which is the only thing I can imagine as the emotional component of trolling. Anal sex does seem to be incredibly popular now, even amongst certain Senators with wide stances. I can quite easily imagine that this new trend of shoving stuff up your butt, or other people up your butt, would have some possible medical side effects after a decade or two of gaping butthole.
It's not an unreasonable question, or an unreasonable statement. No part of it seemed judgement laden or anything, just the assumption that anal sex leads towards medical problems may be baseless. Even though it often does. With large black men and brave small white girls. But I digress....
I have no idea myself, but being a scientists I call for a large general study over a few decades requiring willing participants, free lube, and plenty of recording of data.
For science.
Technically, lunchtime is at any moment. It's just a wave function.
(Score: 0) by Anonymous Coward on Wednesday March 01 2017, @11:35PM (1 child)
Is the cancer caused by HPV [Human Papillomavirus]? HPV plus vaginal sex leads to cervical cancer. Perhaps HPV plus anal sex leads to colon and rectal cancer?
(Score: 3, Informative) by butthurt on Thursday March 02 2017, @01:19AM
Human papillomavirus (HPV) infection is associated with cervical cancer, but whether it is involved in colorectal carcinogenesis is controversial. We conducted a meta-analysis to evaluate the association between HPV and colorectal adenocarcinoma.
[...]
The results provide quantitative evidence for an association between HPV infection and colorectal cancer risk.
-- http://onlinelibrary.wiley.com/doi/10.1111/codi.12257/abstract [wiley.com]
Infection with human papillomavirus (HPV) is a major risk factor for anal cancer.
-- https://www.cancer.gov/types/anal/ [cancer.gov]
(Score: 0) by Anonymous Coward on Thursday March 02 2017, @02:54AM
"LGBTQAGH-whatever"
it's the lickbutt community