" WASHINGTON Marlon Humphrey Jersey , Jan. 8 (Xinhua) -- Women who work on night shifts could have an increased risk of developing multiple common cancers, especially breast cancer, researchers from China said Monday.
Xuelei Ma, an oncologist at Sichuan University, and his colleagues performed a meta-analysis using data from 61 articles comprising 114,628 cancer cases and 3,909,152 participants from North America, Europe, Australia, and Asia.
It turned out that overall, long-term night shift work among women increased the risk of cancer by 19 percent.
When analyzing specific cancers, the researchers found that this population had an increased risk of skin (41 percent), breast (32 percent), and gastrointestinal cancer (18 percent) compared with women who did not perform long-term night shift work.
After stratifying the participants by location, Ma found that an increased risk of breast cancer was only found among female night shift workers in North America and Europe.
""We were surprised to see the association between night shift work and breast cancer risk only among women in North America and Europe,"" said Ma. ""It is possible that women in these locations have higher sex hormone levels, which have been positively associated with hormone-related cancers such as breast cancer.""
A further analysis looked specifically at long-term night shift work and risk of six types of cancer among female nurses.
They found that those who worked the night shift had an increased risk of breast (58 percent), gastrointestinal (35 percent), and lung cancer (28 percent) compared with those that did not work night shifts.
Of all the occupations analyzed, nurses had the highest risk of developing breast cancer if they worked the night shift.
What's more, the researchers found that the risk of breast cancer increased by 3.3 percent for every five years of night shift work.
The findings were published in Cancer Epidemiology, Biomarkers & Prevention, a journal of the American Association for Cancer Research.
""Night shift, as a current social phenomenon, is gaining rising popularity and can have adverse effects on health,"" Ma said in an email to Xinhua. ""It's warranted for long-term night shifters to receive tumor screening. Meanwhile, personnel protection measures should be considered.""
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OSLO, Jan. 7 (Xinhua) -- Trond Giske, a deputy leader of Norway's main opposition Labour Party, announced his resignation on Sunday following accusations that he had sexually harassed women.
Giske, 51, who had held several ministerial posts in Labour governments, has recently been accused with sexual harassment in several situations, although their details have not been made public.
""The main reason I'm doing this is that it's impossible for me and my family to continue to withstand the pressure we've been under in the last few weeks,"" Giske said on Facebook.
""The second reason is the consideration of the Labour Party and the important work we have ahead of us,"" he said.
Giske, one of two deputy leaders of the Labour Party, said he would also resign his post as the party's chief on finance policy if requested by the party.
He was expected to remain as a Member of Parliament for the 2017-2021 term.
Giske said he looked forward ""to giving my version"" of events tied to the sexual harassment accusations and ""want to answer questions that are posed and address what I believe is incorrect.""
""I apologize again for things I have done that have caused discomfort to others. I have not always been conscious enough of my own role in all situations, especially those informal or private. I'm sorry,"" he said.
Giske served as Minister of Education, Research and Church Affairs from 2000 to 2001, as Minister of Culture and Church Affairs from 2005 to 2009 and as Minister of Trade and Industry from 2009 to 2013.
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BEIJING, Jan. 29 (Xinhua) -- The Supreme People's Procuratorate (SPP) said Monday it has set up teams to look into the criminal cases of Gu Chujun and Zhang Wenzhong, former chairmen of an electrical appliances maker and a retailer, respectively, after the Supreme People's Court (SPC) announced a retrial last month.
Two teams of SPP prosecutors have started their work and promised to provide objective opinions based on facts, the SPP said.
The top court of China announced earlier that the retrial of Gu, former chairman of Guangdong Kelon Electrical Holdings, a maker of refrigerators and air conditioners, will be heard by the SPC first circuit court.
Gu was arrested in 2005. A final court ruling by Guangdong Higher People's Court in 2009 sentenced him to 10 years in prison for falsifying and withholding information and embezzlement. He was also fined 6.8 million yuan (about 1.07 million U.S. dollars).
In September 2012, after serving his term in prison, Gu filed a petition to the SPC.
The SPC sent his case to the Guangdong Higher People's Court for investigation in 2013. During the investigation, Gu continued to petition the top court.
The SPC said that it reviewed Gu's case and believed he was eligible for a retrial according to China's criminal procedure law.
Gu's case was granted a retrial under article 242 of China's Criminal Procedure Law, which states that retrial may be granted if the original ruling was based on insufficient, illegal or contradictory evidence, or that the application of law was inappropriate.
The investigation into the criminal case of former retailer Zhang Wenzhong was started after the SPC announced a retrial in Zhang's case in late December last year. Zhang was former chairman of Wumei Holdings, parent of Chinese retail chain Wumart Stores.
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