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WASHINGTON, Nov. 14 (Xinhua) -- Vitamin D levels are significantly lower in patients with recurrent inflammatory spinal cord disease, according to a study published online Monday in Archives of Neurology.Vitamin D is a steroid vitamin that promotes the intestinal absorption and metabolism of calcium and phosphorus. In recent years, low levels of vitamin D have been linked to a variety of autoimmune conditions, including multiple sclerosis (MS). However, the importance of vitamin D in monophasic or recurrent non-MS spinal cord diseases including transverse myelitis and neuromyelitis optica is unknown, according to background information in the article.Transverse myelitis (TM) is a disease of the spinal cord in which there is involvement of the myelin sheath that protects nerve fibers; symptoms include back pain and weakness in the legs. Neuromyelitis optica (NMO) is a disease of the central nervous system that affects the optic nerves and spinal cord.Maureen Mealy, of Johns Hopkins University and colleagues investigated the association between low serum vitamin D levels and recurrent spinal cord disease. They analyzed data on vitamin D levels among 77 patients with monophasic (having only one phase or stage) and recurrent inflammatory diseases of the spinal cord, adjusting for season, age, sex, and race. The study found that vitamin D levels were significantly lower in patients who developed recurrent spinal cord disease."Our findings suggest that there may be an association between lower total 25-hydroxyvitamin D levels in patients with recurrent TM/NMO/ spectrum disorders as compared with their counterparts with monophasic disease," the authors report. They suggest that future studies are needed to further assess the relationship between vitamin D and recurrent spinal cord disease.

SAN FRANCISCO, Nov. 11 (Xinhua) -- Logitech, a provider of personal peripherals for computers and other digital platforms, said its production of Google TV was a "big mistake," giving a major blow to Google's aspiration to change the traditional TV experience, U.S. media reported on Friday.According to technology news site The Verge, at a recent analyst and investor meeting, Logitech chief executive officer Guerrino De Luca said the launch of Logitech Revue (with Google TV set-top box) last year was "a mistake of implementation of a gigantic nature."The project cost the company more than 100 million U.S. dollars in operating profit.He said the company had "brought closure to the Logitech Revue saga" and has "no plans to introduce another box to replace Revue" after the inventory runs out this quarter.The CEO also predicted that Google TV will have a chance sometime in the future, but it would be a "grandchild of Google TV " that would do it. Logitech has no plans to help make that happen.Launched during the holiday shopping season last year, the Logitech Revue with Google TV system was criticized for being pricey and unpolished although it gives consumers a streamlined experience of traditional TV content and online media. In August, Logitech slashed the price from 249 dollars to 99 dollars.Last month, Google introduced a redesigned Google TV after sales of the first version did not meet expectations.In April, Logitech reported that Revue with Google TV set-top box and related gear only brought five million dollars in sales during the first quarter of this year, 72 percent less than the company had expected.However, support from some leading TV manufacturers may still help Google fulfill its TV plan. A Bloomberg report said Friday that Google and LG Electronics, world's second-largest TV manufacturer, may unveil a television using the search giant's software at the upcoming Consumer Electronics Show in Las Vegas.Samsung, world's largest TV manufacturer, said in February that it was in discussions with Google to develop a TV product.

BEIJING, Jan. 6 (Xinhua) -- China's railways will carry 235 million passengers during the 40-day Spring Festival travel rush, up 6.1 percent year-on-year, the Ministry of Railways said Friday.A daily average of 5.88 million people will make trains trips from Jan. 8 to Feb. 16, the ministry said in a statement on its website.Economic hubs such as Beijing, Guangzhou, Shanghai and Hangzhou and the inland provinces of Sichuan, Hubei, Jiangxi, Anhui and Hunan will see the most activity during the period, as millions of rural migrant workers and students head home for family reunions, according to the statement.The ministry has arranged for extra trains in anticipation of the rush, the statement said, but added that "the conflict remains between passenger demand and railway capacity."Railway authorities have long been under pressure to increase capacity and improve ticketing services, as many citizens find it extremely hard to secure a single ticket during major holidays.The ministry has begun allowing customers to book their tickets online or by phone to ease the ordeal of buying tickets. However, website glitches and the huge demand have rendered the new ways ineffective to many ticket buyers.The Spring Festival, or the Chinese Lunar New Year, falls on Jan. 23.

SAN FRANCISCO, Oct. 13 (Xinhua) -- The Internet search giant Google on Thursday released its third fiscal quarter earnings report, posting strong numbers that beat analysts' estimates.The Mountain View, California-based company reported revenue of 9.72 billion U.S. dollars for the quarter ending Sept. 30, 2011, an increase of 33 percent on a year-on-year basis.Google reported a profit of 2.73 billion dollars, compared to 2. 17 billion dollars in the same period last year. The earning per share, excluding certain items, is 9.72 dollars, topping the average estimate of 8.74 dollars per share polled by Thomson Reuters."We had a great quarter," said Google co-founder and Chief Executive Officer Larry Page in a statement. "Google+ is now open to everyone and we just passed the 40 million user mark. People are flocking into Google+ at an incredible rate and we are just getting started."Many analysts took the third quarter to examine the company's progress towards expanding its core business beyond advertising which accounted for 96 percent of its revenue last year. In the past quarter, Google made major investments in several key businesses, such as social networking and mobile.In August, Google announced a 12.5-billion-dollar acquisition of Motorola Mobility, a move widely seen to get Motorola's patent portfolio to protect its Android software against a growing number of infringement lawsuits by rival mobile platforms. The deal is expected to close later this year or early next year.Since its late-June launch, the Google+ social network has been receiving a good response, posing to shake up the social networking space dominated by Facebook.In September, Google also officially launched Google Wallet, a mobile payment allowing users to pay by tapping an Android smartphone against a compatible card reader.

BEIJING, Nov. 17 (Xinhua) -- Chinese State Councilor Liu Yandong on Thursday met with a U.S. artist delegation, vowing to promote bilateral cultural and art exchanges.Headed by President and Chief Executive Officer of the Asia Society Vishakha Desai, the delegation will participate in the China-U.S. Forum on the Arts and Culture from Nov. 16-19 in Beijing.Liu welcomed the U.S. artists, noting cultural and art exchanges are an important component of bilateral people-to-people exchanges.She said the founding of the forum established an institutionalized and constructive platform for deepening bilateral relations and friendship between the two peoples.Artists from the two countries should exert their influence and actively promote bilateral cultural exchanges, she said.The forum is organized by the Chinese People's Association for Friendship with Foreign Countries, the Asia Society and the Aspen Institute.An extraordinary line-up of American cultural icons will attend the event, including actress Meryl Streep, film director Joel Coen, musician Yo-Yo Ma, and best-selling author Amy Tan.

来源：资阳报