{"id":45233,"date":"2012-10-11T18:01:22","date_gmt":"2012-10-11T22:01:22","guid":{"rendered":"https:\/\/dev.inrs.ca\/?p=45233"},"modified":"2021-02-04T18:02:20","modified_gmt":"2021-02-04T23:02:20","slug":"night-workers-more-likely-to-develop-cancer","status":"publish","type":"post","link":"https:\/\/dev.inrs.ca\/en\/news\/night-workers-more-likely-to-develop-cancer\/","title":{"rendered":"Night workers more likely to develop cancer"},"content":{"rendered":"\n

Night work can increase cancer risk in men, according to a new study <\/a>published in the American Journal of Epidemiology\u00a0<\/em>by a research team from Centre INRS\u2013Institut Armand-Frappier <\/a>and Centre de recherche du Centre hospitalier de l\u2019Universit\u00e9 de Montr\u00e9al. The study is one of the first in the world to provide evidence among men of a possible association between night work and the risk of prostate, colon, lung, bladder, rectal, and pancreatic cancer and non-Hodgkin\u2019s lymphoma.<\/strong><\/p>\n\n\n\n

\u201cExposure to light at night can lead to a reduced production of the sleep hormone melatonin, inducing physiological changes that may provoke the development of tumours.This hormone, habitually released in the middle of the night in response to absence of light, plays a pivotal role in hormonal functions and in the immune system\u201d, explained Professor Marie-\u00c9lise Parent<\/a> of Centre INRS\u2013Institut Armand-Frappier, the study\u2019s lead investigator.<\/p>\n\n\n\n

Despite finding that night work increases the risk of a number of cancers, the researchers are intriguedby the absence of a relationship between duration of night work and cancer risk found in the study. In theory, an increasing duration in the period of night work would be expected to be accompanied by an increase in the risk of cancer, but the results obtained did not confirm such a tendency. As well as opening up new research avenues, this finding raises questions about the factors that might influence people`s adaptation to night work. Other more targeted research, including Dr. Parent\u2019s current research on prostate cancer, will also allow for a more detailed study of the consequences of night work on health.<\/p>\n\n\n\n

For this research, Dr. Parent and her team analyzed data from a study on occupational exposure and cancer that was conducted between 1970 and 1985, involving 3,137 men aged 35 to 70 years who had been diagnosed with a cancer at 18 hospitals in the Montreal metropolitan area, compared to a control group of 512 cancer-free individuals from the general population.<\/p>\n\n\n\n

The epidemiological study by Marie-\u00c9lise Parent, Mariam El-Zein, and Marie-Claude Rousseau<\/a> of Centre INRS\u2013Institut Armand-Frappier and Javier Pintos and Jack Siemiatycki of Centre de recherche du Centre hospitalier de l\u2019Universit\u00e9 de Montr\u00e9al and Universit\u00e9 de Montr\u00e9al was funded by Health Canada<\/a>, the National Cancer Institute of Canada<\/a>, Quebec\u2019s Institut de recherche Robert-Sauv\u00e9 en sant\u00e9 et s\u00e9curit\u00e9 au travail<\/a>, and Fonds de recherche du Qu\u00e9bec – Sant\u00e9<\/a> (FRQS).<\/p>\n\n\n\n

Read the article <\/a><\/p>\n","protected":false},"excerpt":{"rendered":"

Night work can increase cancer risk in men, according to a new study published in the American Journal of Epidemiology\u00a0by a research team from Centre INRS\u2013Institut Armand-Frappier and Centre de recherche du Centre hospitalier de l\u2019Universit\u00e9 de Montr\u00e9al. The study is one of the first in the world to provide evidence among men of a […]<\/p>\n","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[688],"tags":[],"sectors":[679],"class_list":["post-45233","post","type-post","status-publish","format-standard","hentry","category-innover-a-linrs-en","sectors-sante-en"],"acf":[],"yoast_head":"\nNight workers more likely to develop cancer | INRS<\/title>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Night workers more likely to develop cancer | INRS\" \/>\n<meta property=\"og:description\" content=\"Night work can increase cancer risk in men, according to a new study published in the American Journal of Epidemiology\u00a0by a research team from Centre INRS\u2013Institut Armand-Frappier and Centre de recherche du Centre hospitalier de l\u2019Universit\u00e9 de Montr\u00e9al. 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