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BAIKONUR, Kazakhstan, April 5 (Xinhua) -- Russia launched a spacecraft with three astronauts on board from the Kazakh Baikonur space center early on Tuesday, Xinhua correspondents reported from the site.The Soyuz TMA-21 spacecraft atop a Soyuz-FG carrier rocket blasted off at 02:18 a.m. Moscow time (2218 GMT April 4), sending to the International Space Station (ISS) Russian cosmonauts Alexander Samokutyaev and Andrei Borisenko and U.S. astronaut Ronald Garn.The Russian Soyuz TMA-21 spacecraft, named after the first cosmonaut Yuri Gagarin, carrying the International Space Station (ISS) crew of U.S. astronaut Ronald Garan, Russian cosmonauts Alexandr Samokutyaev and Andrey Borisenko, blasts off at the Baikonur cosmodrome, April 5, 2011.The Soyuz TMA-21, named after the first cosmonaut Yuri Gagarin, was scheduled to dock with the ISS at 03:18 a.m. Moscow time (2318 GMT April 6) on Thursday.According to the Russian Federal Space Agency (Roscosmos), the three new crew members are expected to spend 170 days in the ISS. During the period, they will receive two U.S. space shuttles and three Russian Progress cargo ships, conduct a spacewalk and carry out over 40 experiments.The launch is dedicated to the 50th anniversary of the first flight into space in 1961 carried out by Gagarin.

BAIKONUR, Kazakhstan, April 5 (Xinhua) -- Russian manned spacecraft Soyuz TMA-21 has been transported to the launch pad and raised to a vertical position, ready to blast off on April 5, Xinhua correspondents reported Saturday from the site.The launch is dedicated to the 50th anniversary of the first flight into space in 1961 carried out by Russian cosmonaut Yuri Gagarin.For hours, journalists and tourists from all over the world had braved a nasty weather and watched the train and trucks delivering the rocket to the pad.Service towers move towards the Soyuz TMA-21 spacecraft, named after the first cosmonaut Yuri Gagarin, as it is set on its launch pad at Baikonur cosmodrome April 2, 2011. The International Space Station (ISS) crew of U.S. astronaut Ronald Garan and crew mates Russian cosmonauts Alexandr Samokutyaev and Andrey Borisenko is due to travel by Soyuz spacecraft to the ISS on April 5.The Soyuz TMA-21 rocket will deliver three crew members to the International Space Station (ISS) on April 5. In a six-month mission, these cosmonauts will carry out over 40 experiments.The Soyuz TMA modification is a replacement of the Soyuz TM as it was equipped with smaller and more efficient computers and improved displays. The Soyuz TMA-21 will also serve as the return vehicle of the ISS crew.

LOS ANGELES, March 23 (Xinhua) -- People who are more physically active are less likely to have high blood pressure associated with a high-sodium diet, a new study suggests.The study was conducted by researchers at the Tulane University School of Public Health and Tropical Medicine in New Orleans, HealthDay News reported on Wednesday.Study findings were presented at the on-going American Heart Association's meeting on nutrition, physical activity and cardiovascular disease, held in Atlanta, said the report.To explore a potential association between exercise and the hypertensive role of dietary salt, the researchers focused on roughly 1,900 men and women (average age 38) living in a rural region in northern China. None took blood pressure medication during the study, according to the report.For one week all of the participants consumed 3,000 mg of sodium a day in their diet; for another week, they were placed on a high-sodium diet -- 18,000 mg per day.Nine blood pressure readings were taken each week, and questionnaires were completed to assess routine levels of physical activity, ranging from "very active" to "quite sedentary."When switching from the lower-sodium to a high-sodium diet, those who experienced a 5 percent or greater boost in their systolic blood pressure (the heart contraction measure represented by the top figure of a blood pressure reading) were deemed "high salt-sensitive."Those reporting the most physical activity had a 38 percent lower risk of being highly salt-sensitive than the least active group. This group was the least likely to see a 5 percent or greater rise in their blood pressure in response to a high-salt diet.Compared with the most sedentary group, those in the next-to- highest activity group had a 17 percent lower risk of salt- sensitivity, and those in the next-to-lowest activity group had a 10 percent lower risk.The team concluded that engaging in physical activity has a " significant," independent and progressively healthful impact on the degree to which salt sensitivity relates to blood pressure."For those with low physical activity, their blood pressure will increase more if they increase their sodium intake," study co- author Dr. Jiang He, chair of the department of epidemiology at the school, said in remarks published by HeathDay News."It's a little bit of a surprise," He added. "But this is the first study to look at this particular association between physical activity and salt sensitivity and blood pressure. But after thinking it over it makes sense, because we already know that physical activity will reduce blood pressure."High blood pressure, or hypertension, is a leading cause of stroke. Because of salt's association with high blood pressure, the American Heart Association recommends consuming less than 1, 500 mg of sodium per day.

LOS ANGELES, March 3 (Xinhua) -- More and more American adults are suffering from a decline in overall sleep duration, the U.S. Centers for Disease Control and Prevention (CDC) said on Thursday.It's recommended that adults should sleep seven to nine hours a night to maintain good health, but more than one-third of Americans do not meet that requirement, according to the CDC.Insufficient sleep poses a long-term heath threat and impairs work performance and the ability to drive safely, the CDC said.Chronic sleep loss also is associated with obesity, increased risk of death and other health problems, according to the CDC."Over the last 20 years there has been a decline in overall sleep duration in adults," said Lela McKnight-Eily, a clinical psychologist and epidemiologist at the CDC's National Center for Chronic Disease Prevention."Within our culture there seems to be a belief that sleep isn't a part of overall essential health," she said.McKnight-Eily and her colleagues studied the sleep habits of 74,571 adults in 12 states, 35.3 percent reported sleeping less than seven hours.In addition, 48 percent reported snoring, 37.9 percent said they fell asleep at least once during the day the previous month and 4.7 percent admitted to falling asleep at the wheel at least once.Drowsiness or nodding off while driving accounts for 1,550 deaths and 40,000 injuries a year, according to the U.S. Department of Transportation.To get enough sleep, Americans have to change lifestyle habits, including longer workdays and late nights on the computer, McKnight-Eily said, noting that too much screen time paring away much-needed sleep time.

BEIJING, Jan. 26 (Xinhua) -- China's civil affairs ministers visited survivors of last year's 7.1-magnitude Yushu earthquake and Zhouqu mudslide prior to China's lunar new year.Dou Yupei, vice minister of Civil Affairs, led a team to Yushu in northwest China's Qinghai Province to visit quake survivors and local cadres beginning on Sunday.Dou told Xinhua that quake survivors in Yushu now had access to food, clothing, safe drinking water, shelters and medical services, and the reconstruction of quake-damaged houses was well underway.Further, the ministry has distributed 45,000 cotton-padded tents to Yushu to house survivors during the extremely cold winter on the Qinghai-Tibet plateau.So far, 160,000 tents have been set up to assure that all survivors have a roof overhead, according to the ministry's statement issued Wednesday.Yushu was jolted by a 7.1-magnitude earthquake on April 14, leaving 2,200 people dead and 220,000 local residents affected.Another vice minister, Sun Shaocheng, visited survivors from a massive mudslide that left 1,700 people dead or missing in Zhouqu, Gansu province.To provide warm shelters to survivors, the Zhouqu county government invested three million yuan (455,000 U.S. Dollars) in renovating vacant school buildings or installing facilities in newly-built apartments.All survivors who previously had taken shelter in make-shift tents were relocated to these buildings before Oct. 13, according to the ministry's statement.

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