Navigation Links
Night Shift Linked to Raised Risk of Ovarian Cancer
Date:3/15/2013

FRIDAY, March 15 (HealthDay News) -- Working at night might do more than throw your schedule out of whack, researchers warn. Women who cover the night shift may be at increased risk for ovarian cancer, according to a new study.

The investigators also found that the risk of ovarian cancer may be lower for night types ("owls") than for morning types ("larks").

The study included more than 1,100 women with the most common type of advanced ovarian cancer, including about 390 with borderline disease, and more than 1,800 women without ovarian cancer. The women were aged 35 to 74, and worked in fields including health care, food service and office administration.

Nearly 27 percent of the women with invasive cancer had worked nights, compared with about 32 percent of those with borderline disease and about 22 percent of those without ovarian cancer, the findings showed.

Working night shifts was associated with a 24 percent increased risk of advanced cancer and a 49 percent increased risk of early stage cancer, according to the study, which was released March 14 in the journal Occupational and Environmental Medicine.

Only women 50 and older were significantly more likely to have ovarian cancer if they had worked nights, study author Parveen Bhatti, of the Fred Hutchinson Cancer Research Center in Seattle, said in a journal news release.

Of the women in the study who had worked night shifts, 27 percent said they tended to be night owls and 20 percent said they were morning larks. The risk of advanced ovarian cancer was higher among larks than among owls (29 percent versus 14 percent), as was the risk of borderline disease (57 percent versus 43 percent).

The researchers suggested that the increased cancer risk in women who work night shifts could be associated with the hormone melatonin, which regulates reproductive hormones, particularly estrogen. Melatonin is normally produced at night but is suppressed by light.

Previous research has suggested that night-shift work may be associated with an increased risk of breast cancer.

Although the study found an association between night-shift work and increased risk of ovarian cancer, it did not prove a cause-and-effect relationship.

More information

The American Cancer Society outlines the risk factors for ovarian cancer.

-- Robert Preidt

SOURCE: Occupational and Environmental Medicine, news release, March 14, 2013


'/>"/>
Copyright©2012 ScoutNews,LLC.
All rights reserved  

Related medicine news :

1. Nightmare Bacteria Spreading in U.S. Hospitals, Nursing Homes: CDC
2. Artificial Pancreas Worked Overnight on Kids With Type 1 Diabetes
3. Empowered Products Releases Its Lists of Best Movies for Lovers in Time for Valentine's Day and Academy Awards Night
4. Paul Sybert Announces Song “Candle in the Night.”
5. Nightcaps Dont Help You Sleep Better After All
6. Finally! An Answer To A Good Nights Sleep
7. Kids Matter International Celebrates a Night of Glam and Giving Rio Style
8. Baby started to crawl? You might be up more at night
9. Morning vs nighttime replacement affects adverse events with extended-wear contact lenses
10. SA4i Commends Houston’s Premier Eye Doctor Offering Better Night Vision and Glare Control
11. Gene Distinguishes Early Birds from Night Owls and Helps Predict Time of Death
Post Your Comments:
*Name:
*Comment:
*Email:
Related Image:
Night Shift Linked to Raised Risk of Ovarian Cancer
(Date:6/26/2016)... Charlotte, NC (PRWEB) , ... June 26, 2016 , ... Brent Kasmer, a legally blind ... able to be personalized through a fitness app. The fitness app plans to fix the ... solutions currently only offer a one size fits all type program , They ...
(Date:6/25/2016)... ... June 25, 2016 , ... "With 30 hand-drawn hand gesture ... said Christina Austin - CEO of Pixel Film Studios. , ProHand Cartoon’s package ... Final Cut Pro X . Simply select a ProHand generator and drag it ...
(Date:6/25/2016)... ... ... Conventional wisdom preaches the benefits of moderation, whether it’s a matter of ... too high can result in disappointment, perhaps even self-loathing. However, those who set the ... Research from PsychTests.com reveals that behind the tendency to set low expectations ...
(Date:6/24/2016)... (PRWEB) , ... June 24, 2016 , ... ... Conference and Scientific Sessions in Dallas that it will receive two significant new ... the grants came as PHA marked its 25th anniversary by recognizing patients, medical ...
(Date:6/24/2016)... ... ... People across the U.S. are sharpening their pencils and honing their writing skills ... patients and their families pay tribute to a genetic counselor by nominating him or ... Counselors (NSGC) Annual Education Conference (AEC) this September. , In April, Genome magazine ...
Breaking Medicine News(10 mins):
(Date:6/24/2016)... Dublin - ... " Global Markets for Spectroscopy Equipment" report ... This report focuses on the global market of ... applications in various applications. The report deals with spectroscopy ... industries: pharmaceutical and biotechnology, food and beverage, and environmental ...
(Date:6/24/2016)... 24, 2016 The Academy of Managed Care ... that would allow biopharmaceutical companies to more easily ... make formulary and coverage decisions, a move that addresses ... medicines. The recommendations address restrictions in the ... the drug label, a prohibition that hinders decision makers ...
(Date:6/24/2016)... SAN CLEMENTE, Calif. , June 24, 2016  American Respiratory ... testing company, is now able to perform sophisticated lung assessments in ... Medical Technologies , Inc. Patients are no longer ... to ndd,s EasyOne PRO ® , ARL patients like Jeanne R. ... testing done in the comfort of her own home. ...
Breaking Medicine Technology: