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WASHINGTON, Nov. 22 (Xinhua) -- Long-term coffee consumption may be associated with a reduced risk for endometrial cancer, according to a study published online Tuesday in Cancer Epidemiology, Biomarkers & Prevention, a journal of the American Association for Cancer Research.Edward Giovannucci, professor of nutrition and epidemiology at the Harvard School of Public Health, said that coffee is emerging as a protective agent in cancers that are linked to obesity, estrogen and insulin."Coffee has already been shown to be protective against diabetes due to its effect on insulin," said Giovannucci, a senior researcher on the study. "So we hypothesized that we'd see a reduction in some cancers as well."The researchers observed cumulative coffee intake in relation to endometrial cancer in 67,470 women who enrolled in the Nurses' Health Study. During the course of 26 years of follow-up, researchers documented 672 cases of endometrial cancer.Drinking more than four cups of coffee per day was linked with a 25 percent reduced risk for endometrial cancer. Drinking between two and three cups per day was linked with a seven percent reduced risk.A similar link was seen in decaffeinated coffee, where drinking more than two cups per day was linked with a 22 percent reduced risk for endometrial cancer.Giovannucci said that he hopes this study will lead to further inquiries about the effect of coffee on cancer because in this and similar studies, coffee intake is self-selected and not randomized.

BANGKOK, Nov. 4 (Xinhua) -- Hundreds of Bangkok residents gathered in the city centre on Thursday, making ten thousand micro-organism balls to help clean the polluted water in flooded areas.Organized by local volunteer groups, the activity aimed to make 10,000 Effective Micro-organism balls (EM Ball), which are proven to be efficient in cleaning contaminated floodwater.According to Danal Chanchaochai, the organizer of the event, people in flooded areas were facing critical conditions as germs may spread in polluted water and threat their health. Mainly consist of soil, rice bran and micro-organisms, a tennis-sized EM Ball is capable to clean up 10 liter of water and can last for as long as one month, which making it a perfect water sanitizer.Another main objective of the event was to educate citizens on the simple steps of making EM Balls, in case of more flood in the city, he said.The organization had generated buzz on social media sites like facebook and twitter, calling everyone to help.Held at Amarin Plaza, one shopping mall at city centre, the activity attracted groups of volunteers, including office workers, local students and even foreign visitors.Volunteers were lining up to get the raw materials from the collection point and gave back completed EM Balls to the distribution centre in boxes. Residents needed to present their identity cards in order to retrieve the donated water cleaners.Volunteer Kulawan Ayura Chai said that, although her house hadn' t been affected by water yet, she understood the difficult situation faced by the victims and felt responsible to help.Lasted for three days from Thursday to Saturday, the activity aimed to make 100,000 EM Balls, adding to the 30,000 balls made earlier, to distribute to the flood victims in Bangkok and other regions in Thailand.

BEIJING, Oct. 6 (Xinhua) -- China's first space lab module were in good condition and all tests went on "smoothly" during the past week, according to a statement issued by the country's space project authorities Thursday.The unmanned module, Tiangong-1, or Heavenly Palace-1, blasted off on Sept. 29 from Jiuquan Satellite Launch Center in northwest China's desert area.Tiangong-1 switched to the orbit of 362 kilometers high and had orbited the Earth for 109 times by 6:00 p.m. Thursday, the statement said.Tests on the module's remote control system, video/audio equipments, temperature/humidity sensors, docking facilities and other functions had been conducted successfully, it added.It also revealed that the Jiuquan Launch Center and other units were preparing for the launch of the Shenzhou-8 unmanned spacecraft, which is scheduled to join the Tiangong-1 later this year.Shenzhou-8 and Tiangong-1 are expected to perform China's first space docking at a height of 340 kilometers above the earth's surface.

ACCRA, Dec. 1 (Xinhua) -- The Ghanaian government allayed the fears of many here on Thursday that it would provide funding for the treatment of persons living with HIV/AIDS in the country.Vice President John Dramani Mahama affirmed this when he addressed a ceremony to mark this year's World AIDS Day at Obuasi, near Kumasi, 270 km north of the capital Accra.Mahama said should the Global Fund pull out of supporting the country, the government would partner with development partners to raise the 5.8 million U. S. dollars needed yearly for the treatment of HIV/AIDS patients."Government will work together with the Ghana AIDS Commission (GAC) and donor partners to ensure that people living with HIV/ AIDS have access to antiretroviral drugs."The Presidency is with you, and whatever we will do to win the fight against HIV/AIDS shall be done," Mahama said.Ghana's HIV/AIDS infection rate, according to official figures, has dropped from 3 percent to the current 1.5 percent, albeit with pockets of higher rates of infection among some populations in the country.Mahama called for more innovativeness in mobilizing resources to avoid the danger of retrogression.Director-General of the GAC Angela El-Adas announced that the Ministry of Health had pledged 2.5 million Ghana cedis (1.66 million dollars) out of the 5.8 million dollars needed for next year.Meanwhile, in the capital, the Ghana Network of Persons Living with HIV and AIDS (NAP+ GHANA) joined persons living with HIV (PLHIV) globally on Thursday to commemorate this year's World AIDS Day."We stand united with our fellow PLHIV and the global HIV and AIDS community by fully supporting the vision of 'Getting to Zero', " Charity Owusu Danso, vice president of NAP+ Ghana, said in a message here.Established in 2005, NAP+GHANA is a network of member associations of persons living with HIV/AIDS in Ghana to represent the views, hopes and aspirations of PLHIV across the country."We are extremely worried. Everyday, we receive reports from PLHIV across the country that anti-retroviral drugs are out of stock or that hospitals or clinics won't give HIV treatment to new patients because there aren't even enough drugs for existing patients, " the statement said.

WASHINGTON, Oct. 13 (Xinhua) -- U.S. researchers have corrected sickle cell disease in adult laboratory mice that had been bred to have the inherited blood disorder by activating production of a special blood component, according to a study published online Thursday in the journal Science.Sickle cell disease results from an abnormality in hemoglobin, the protein found in red blood cells that is responsible for transporting oxygen throughout the body. People living with sickle cell disease have two copies of an altered gene that produces sickle hemoglobin instead of normal adult hemoglobin. Sickle hemoglobin changes shape after releasing its oxygen, causing the red blood cell to become stiff, misshapen and sticky, and slowing blood flow to tissues. This process damages organs and causes pain.The study tested a new approach to increasing the production of a third form of hemoglobin -- fetal hemoglobin. Production of fetal hemoglobin predominates before birth, but turns off thereafter as adult hemoglobin production takes over. People with sickle cell disease are unable to make normal adult hemoglobin, and instead make sickle hemoglobin starting in infancy.An elevated level of fetal hemoglobin within the red blood cell reduces the tendency of sickle hemoglobin to change the shape of red blood cells. Considerable research has shown that the drug hydroxyurea increases production of fetal hemoglobin and reduces the number of pain crises and other complications of sickle cell disease in adults and children. However, not all patients respond well to hydroxyurea, and adverse side effects are a concern.The current study explores a more targeted approach to increasing fetal hemoglobin production. It builds upon earlier studies that discovered a protein called BCL11A normally suppresses the production of fetal hemoglobin soon after birth. The researchers viewed the BCL11A protein as a target for therapy and decided to see what would happen if they blocked production of the protein.The paper details how the research team silenced the mouse gene that produces the BCL11A protein in mice with sickle cell disease. Silencing the gene turned off production of the BCL11A protein and allowed the adult mice to continue to produce fetal hemoglobin. It appears to have eliminated disease symptoms without affecting other aspects of blood production."This discovery provides an important new target for future therapies in people with sickle cell disease," said Susan Shurin, acting director of the U.S. National Heart, Lung, and Blood Institute, which co-funded the study. "More work is needed before it will be possible to test such therapies in people, but this study demonstrates that the approach works in principle."Approximately 100,000 Americans live with sickle cell disease. It is most prevalent in people of African, Hispanic, Mediterranean, and Middle Eastern descent. There is no widely available cure for sickle cell disease. Bone marrow transplants have cured some patients, but the treatment is not without risk and most patients do not have relatives who can donate compatible and healthy bone marrow to them.