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WASHINGTON, Oct. 3 (Xinhua) -- Overweight or obesity may put children at three times greater risk for high blood pressure than those of normal weight, according to researchers from the Regenstrief Institute and Indiana University (IU) School of Medicine.Their study will appear in the November issue of Hypertension: Journal of the American Heart Association with advance online publication on Monday.More than 1,100 healthy Indiana school children were followed for nearly five years. The researchers found that when body mass index (BMI) reached or exceeded the 85th percentile for the age and gender of the child -- designated as being overweight -- the risk of high blood pressure nearly tripled. Obesity was defined as a BMI percentile higher than 95th. BMI is a measurement of body fat calculated from weight and height.Among study participants, 14 percent of overweight or obese children were pre-hypertensive or hypertensive, compared with 5 percent of normal weight children. These findings were consistent across age, gender and race.The average age at time of study enrollment was 10.2 years. Each child was assessed approximately eight times during the course of the study. All were healthy children and none were taking medication affecting blood pressure."Higher blood pressure in childhood sets the stage for high blood pressure in adulthood," said Regenstrief Institute Investigator Wanzhu Tu, professor of biostatistics at IU School of Medicine, who led the study. "Targeted interventions are needed for these children. Even small decreases in BMI could yield major health benefits."The researcher also found that leptin, a protein hormone which is involved in body weight regulation and metabolism, was positively associated with increased blood pressure in overweight and obese children.

BEIJING, Dec. 5 (Xinhua) -- Vice Premier Hui Liangyu on Monday said China will accelerate the establishment of a social security and service system for people with disabilities.Hui made the remarks during a meeting with Shybe Chalklen, UN special rapporteur on Disability of Commission for Social Development."The Chinese government attaches great importance to protecting the rights and interests of the disabled," Hui said, adding that the Chinese government has taken a series of measures in the past to improve the living standards of people with disabilities.Hui said China will make great efforts to create a better environment for the disabled to participate in social activities equally.Chalklen spoke highly of China's achievements and progress concerning people with disabilities, saying he hopes to strengthen cooperation between the UN and China in programs for the disabled.

SAN FRANCISCO, Nov. 22 (Xinhua) -- Microsoft announced on Tuesday that it has acquired video search engine VideoSurf.In a press release, Microsoft said it will integrate VideoSurf' s technology across its entertainment platform to augment the Xbox 360 ecosystem and evolve search and discovery of entertainment content on Xbox LIVE.Details of the deal were not disclosed. Technology news site TechCrunch cited Israeli business newspaper Calcalist as saying that the company was bought for about 70 million U.S. dollars.The San Mateo, California-based company, founded by four Israelis in 2006, offers a technology that "sees" frames inside videos to make discovering content fast, easy and accurate.Since its founding, VideoSurf has raised 28 million dollars from several sources, including Facebook chief operating officer Sheryl Sandberg and her husband, as well as former U.S. vice president Al Gore.Last month, Microsoft announced that it will bring cable television content to its Xbox video game console over the holiday season, expanding the console into an entertainment hub.The software giant said Tuesday that the latest acquisition will make it easier for world-class video partners to take full advantage of advanced search features.

WASHINGTON, Nov. 11 (Xinhua) -- The U.S. Food and Drug Administration (FDA) on Friday approved HEMACORD, the first licensed hematopoietic progenitor cells-cord cell therapy.HEMACORD is indicated for use in hematopoietic stem cell transplantation procedures in patients with disorders affecting the blood forming system. For example, cord blood transplants have been used to treat patients with certain blood cancers and some inherited metabolic and immune system disorders."The use of cord blood hematopoietic progenitor cell therapy offers potentially life-saving treatment options for patients with these types of disorders," said Karen Midthun, director of FDA's Center for Biologics Evaluation and Research, in a statement.HEMACORD contains hematopoietic progenitor cells (HPCs) from human cord blood. Cord blood is one of three sources of HPCs used in transplants. The other two are bone marrow and peripheral blood. Once these HPCs are infused into patients, the cells migrate to the bone marrow where they divide and mature. When the mature cells move into the bloodstream they can partially or fully restore the number and function of many blood cells, including immune function.

WASHINGTON, Jan. 1 (Xinhua) -- Twin U.S. spacecraft to study the moon from crust to core put themselves into the lunar orbit on New Year's Eve and New Year's Day, the country's space agency said.The second Gravity Recovery And Interior Laboratory, or GRAIL-B, reached its lunar orbit at 5:43 p.m. EST (2243 GMT) on Sunday, according to the National Aeronautics and Space Administration (NASA).The GRAIL-A started orbiting the moon at 5 p.m. (2200 GMT) Saturday.The insertion maneuvers placed the spacecraft into a near-polar, elliptical orbit with an orbital period of approximately 11.5 hours, NASA said.Over the coming weeks, the GRAIL team will execute a series of burns with each spacecraft to reduce their orbital period to just under two hours. At the start of the science phase in March 2012, the twin GRAILs will be in a near-polar, near-circular orbit with an altitude of about 55 km."NASA greets the new year with a new mission of exploration," Administrator Charles Bolden said in a statement. "The twin GRAIL spacecraft will vastly expand our knowledge of our moon and the evolution of our own planet."During GRAIL's science mission, the two probes will transmit radio signals precisely defining the distance between them. As they fly over areas of greater and lesser gravity caused by visible features such as mountains, craters and masses hidden beneath the lunar surface, the distance between the twin spacecraft will change slightly.Scientists will translate this information into a high-resolution map of the moon's gravitational field.The data will allow scientists to understand what goes on below the lunar surface and increase knowledge of how Earth and its rocky neighbors in the inner solar system developed into the diverse worlds we see today.

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