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BEIJING, May 10 (Xinhuanet) -- Researchers from California, Unated States, found that sexual orientation could play a role in cancer and more gay men are reported being cancer survivors than straight men, according to findings in the journal Cancer online Monday.The researchers found that gay men are 1.9 times more likely than straight men to report having had cancer. They also found that lesbian and bisexual women are more than twice as likely as heterosexual women to report fair or poor health after having cancer.Researchers looked at three years of responses to the California Health Interview survey, which included more than 120,000 adults living in the state.Among other health-related questions, participants were asked if they had ever been diagnosed with cancer and whether they identified as gay, lesbian, bisexual, or straight.Out of 51,000 men, about 3,700 said they had been diagnosed with cancer as an adult. While over 8 percent of gay men reported a history of cancer, that figure was only 5 percent in straight men, a disparity that could not be attributed to differences in race, age or income.About 7,300 out of 71,000 women in the study had been diagnosed with cancer, but overall cancer rates did not differ among lesbian, bisexual, and straight women.Ulrike Boehmer, the study's lead author from the Boston University School of Public Health, said higher rates of human immunodeficiency virus (HIV) may be related to the increased risk of cancer in gay men.However, the findings do not necessarily mean that being gay, lesbian or bisexual increases risk of cancer, said the researcher.

LOS ANGELES, April 3 (Xinhua) -- People with lower levels of vitamin D are more likely to have stiffer arteries and an inability of blood vessels to relax, U.S. researchers have found.This finding also applies to people who are in general good health, according to researchers from the Emory University School of Medicine.The researchers presented their findings on Sunday at the annual American College of Cardiology meeting in New Orleans.Impaired vascular health in correlation with lower vitamin D levels contributes to high blood pressure and the risk of cardiovascular disease, the researchers say.The study involved 554 participants, with the average age of 47 and generally healthy.The average level of 25-hydroxyvitamin D (a stable form of the vitamin reflecting diet as well as production in the skin) in participants' blood was 31.8 nanograms per milliliter. In this group, 14 percent had 25-hydroxyvitamin D levels considered deficient, or less than 20 nanograms per milliliter, and 33 percent had levels considered insufficient, less than 30 nanograms per milliliter.The researchers monitored the ability of participants' blood vessels to relax by inflating and then removing a blood pressure cuff on their arms. To allow blood to flow back into the arm, blood vessels must relax and enlarge -- a change that can be measured by ultrasound. The researchers also made other measurements of smaller blood vessels and examined the resistance to blood flow imposed by the arteries.

BEIJING, Feb. 20 (Xinhua) -- China's railways handled 7.13 million passengers Saturday, setting a new one day record, the Ministry of Railways (MOR) said Sunday.The figure was 16 percent higher year on year, the MOR said.Chinese railways are witnessing a new wave of travel after the Lantern Festival celebration (the 15th day of the first month in the Lunar New Year) Thursday, which is considered a symbolic ending of the festival season.China's Spring Festival fell on Feb. 3 this year.The busy Spring Festival transportation season runs for 40 days and is calculated in two phases: 15 days before the Spring Festival and 25 days after the Spring Festival.

GUIYANG, Jan. 30 (Xinhua) -- Chen and her mentally handicapped son moved into their newly finished home last December. Shortly afterwards, a month-long cold wave with heavy snow hit their hometown, as well as the majority of southern China.It would have been "terrible" to stay in the old home in such cold weather, said 66-year-old Chen Houlian, a villager from the Tongzi County of southwestern China's Guizhou Province.Dropping temperatures and occasional sleet were predicted before this year's lunar New Year festival, which begins next Thursday.Behind the new home stood their old adobe cottage, with visible cracks on the clay walls. Wooden doors and window frames of that cottage were covered with black smoke due to more than 40 years of indoor cooking, while those of the new house were painted bright blue.In fact, the old house might collapse after the heavy snow, according to Jin Jing, deputy head of the County.Chen's family was one of the poorest in town. The farmland they grew crops on barely produced enough corn and cabbage to meet their needs, while the minimum living subsistence allowance of 2,200 yuan (334 U.S. dollars) each year was their total annual income.They would never be able to afford to build a new home on their own without receiving financial aid from a government project, Jin added.Chen's new house cost over 40,000 yuan. They received 20,000 yuan from the project and 5,000 from the local federation of people with disability. The rest was borrowed from relatives and neighbors.Five pairs of red couplets were posted by each door and window to express their gratitude to all the people who had offered help.On the day they moved in, Chen held an outdoor banquet for the entire village using borrowed money to mark the happiest event this family had witnessed for many decades.The government-funded project was launched over two years ago, after a deadly snow storm hit southern China during Jan-Feb 2008, collapsing nearly half a million rural houses and causing damage to another 1.7 million.The project was designed to provide funds to residents living in dilapidated buildings in impoverished rural regions so they might renovate or build new homes.In Guizhou alone, over 600,000 families had finished building new homes by the end of 2010 with help from that project, as over 4.7 billion yuan was allocated to subsidize this building.The project was part of China's efforts to build its social-security-based housing system, which also includes affordable housing, low-rent housing and public rental housing programs to meet the needs of low-income people amid surging property prices across the country.

BEIJING, March 5 (Xinhua) -- China's retailers will offer refund to recent buyers of iPad 1 as price dropped with the debut of iPad 2.Apple released the upgraded version of the tablet on March 3 and announced to lower the price tags of the first generation iPad 1 by up to 27.6 percent. Buyers of iPad 1 within the last two weeks are eligible for a price difference compensation, according to Apple.Chinese customers who bought the product via Apple China online or its chain stores will also be compensated, according to a statement on Apple's website.Chinese electronics retailers such as Suning and Gome responded quickly to the price cut, promising to pay back their customers with a refund.Suning, China's biggest electronics retailer by market value, said iPad 1 buyers who bought the product from Feb 17 to March 2 can get the refund with the receipt starting Saturday.Gome, the second largest electronics retailer in China, also announced to pay back their customers who bought the product from Feb 18 to March 3 from their stores. Customers could apply for the refund with the receipt starting Sunday.