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BEIJING, May 10 (Xinhuanet) -- Autism spectrum disorder may be under diagnosed and under reported worldwide and rigorous screening is needed for accurate estimates, said researchers in Monday's American Journal of Psychiatry.Researchers from the Yale Child Study Center, George Washington University and other leading institutions screened every child aged 7 to 12 in Ilsan district of the city of Goyang, a community of 488,590 in South Korea, and found more than two-thirds of ASD cases in the mainstream school population unrecognized and untreated.They estimated the prevalence of ASD in South Korea to be 2.64 percent, or approximately 1 in 38 children.The figure is more than twice the rate usually reported in the developed world. Even that rate, about 1 percent, has been climbing rapidly in recent years — from 0.6 percent in the United States in 2007, for example.“From the get-go we had the feeling that we would find a higher prevalence than other studies because we were looking at an understudied population: children in regular schools,” said the lead researcher, Dr. Young-Shin Kim, a child psychiatrist and epidemiologist at the Yale Child Study Center.By contrast, other research groups measure autism prevalence by examining and verifying records of existing cases kept by health care and special education agencies, but leaving out many children whose parents and schools have never sought a diagnosis.Kim said the researchers concluded autism prevalence estimates worldwide may increase if rigorous screening and comprehensive population studies are used to produce prevalence estimates.But it is suggested the findings did not mean that the actual numbers of children with autism were rising, simply that the study was more comprehensive than previous ones.

BEIJING, Jan. 29 (Xinhua) -- Chinese State Councilor Dai Bingguo and U.S. National Security Advisor Tom Donilon on Saturday both spoke highly of Chinese President Hu Jintao's state visit to the United States earlier this month.During a phone conversation, Dai and Donilon agreed that China and the United States should make joint efforts to properly implement the consensus reached by leaders on both sides and cement the achievements made during Hu's visit, which was on Jan. 18-21.They also said that the two sides should maintain the current momentum in the development of bilateral ties and devote themselves to building a cooperative partnership based on mutual respect and mutual benefit.

MOSCOW, Feb. 9 (Xinhua) -- China's steady economic rise causes both high hopes and anxiety among world leaders, but a Russian expert believes China's peaceful development is an opportunity for the entire world.Yakov Berger of the Far East Institute of the Russian Academy of Sciences told Xinhua that China's policy of peaceful development is a strategic choice, aimed at long-term and sustainable growth."China overcame the global financial crisis, decreased poverty, and increased people's wealth," Berger said."Still, many important tasks for China remain to be fulfilled and first of all, modernization, industrialization and urbanization. This is why China needs strong and long-lasting peace," he said.Berger said China's policy of peaceful development has already won support from the majority of countries, so they are willing to cooperate with the world's most powerful developing nation."China's peaceful development gives chance to all people in the world, as China became the main engine of the global economic development. Many developed countries are gravitated to China because they depend on Chinese supplies and the Chinese market," Berger said.However, although some countries are aware that China's sustainable growth requires peace and stability, some eye China's growing influence as negative, the professor said.Berger said that Beijing tries to persuade Washington that China's rise does not threaten American security. The question, then, is to what degree is the U.S. ready to accept the new reality, Berger said.Berger cited two main reasons why some Western politicians don't trust Beijing."First, this is a natural response from the people who got used to a certain world order," he said, "Such an order implies the existence of the so-called 'golden billion' people who have access to all of civilization's benefits while the other five billion can't make ends meet."Berger said that when China attempts to achieve the same living standards, that induces some fears based on the notion that the Earth resources are limited.Berger believed the second reason is xenophobia and racism, which generates talk about the "Chinese threat.""But they talked about the 'China threat' even in times when China used to be an underdeveloped nation," Berger noted.

BEIJING, March 24 (Xinhuanet) -- A new study has found that Actos, a medicine treats onset diabetes, could also reduce the diabetes risk in people with prediabetes.The study, which was published Wednesday in New England Journal of Medicine, followed 602 prediabetics whose obesity, ethnicity, family history and other factors put them at high risk of developing diabetes.The research findings showed that Actos, generically known as pioglitazone, reduced the odds of developing Type 2 diabetes by 72 percent in people with prediabetes.Only 2.1 percent of those who took Actos developed diabetes each year over the three years of the study, compared with 7.6 percent of those who took a placebo.Lead author of the study Ralph DeFronzo said, "The 72 percent reduction is the largest decrease in the conversion rate of pre-diabetes to (Type 2) diabetes that has ever been demonstrated by any intervention, be it diet, exercise or medication."However, Actos can have significant side effects, including water retention, moderate weight gain, and increased risk of bone fractures.