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BEIJING, Nov. 5 (Xinhua) -- China's top political advisor Jia Qinglin's official goodwill visit to Greece, the Netherlands and Germany has deepened the friendship, promoted cooperation and enhanced understanding between China and the three nations, a Chinese official says.The visit was important in further deepening the friendship and mutual trust, promoting pragmatic cooperation and pushing forward the healthy development of relations between China and Europe, said Wang Shenghong, vice secretary general of the National Committee of the Chinese People's Political Consultative Conference (CPPCC).Jia, chairman of the CPPCC National Committee, had in-depth exchanges of views and reached broad consensus with government and parliament leaders of the three countries on issues related to bilateral ties and international and regional issues of common interest, said Wang, who accompanied Jia on the tour from Oct. 23 to Nov. 4.Jia Qinglin (R), chairman of the National Committee of the Chinese People's Political Consultative Conference, meets with Greek President Karolos Papoulias in Athens, Greece, on Oct. 24, 2011.During his visits, Jia also witnessed the signing of 15 inter-governmental agreements and commercial contracts, had extensive contact with people from different walks of life and visited some big-name companies.STRENGTHEN POLITICAL MUTUAL TRUST AND BUILD UP BILATERAL TIESDuring meetings and talks with leaders of the three countries, Jia expressed China's readiness to maintain the high-level exchanges of visits, build up political mutual trust, advance pragmatic cooperation, promote people-to-people and cultural exchanges and strengthen coordination in international affairs, Wang said.Jia said China is ready to work with the three nations to further advance bilateral ties and China-European Union (EU) relations.Greece's government and parliament leaders thanked China for its precious support at a time when Greece is being badly hurt by the financial crisis. Dutch leaders expressed their willingness to strengthen dialogue and cooperation with China in their joint response to the Europe debt crisis and other challenges. And German leaders praised China's positive role in overcoming the effects of the international financial crisis and stabilizing the world economy, Wang said.

BEIJING, Sept. 30 (Xinhuanet) -- The number of children being prescribed stimulants to treat attention deficit hyperactivity disorder (ADHD) has been steadily rising in the U.S. since 1996, researchers found.The finding was contained in a report released Wednesday in the U.S. medical journal Psychiatry.About 7.8 percent of children aged 4 to 17 in 2003 were diagnosed with ADHD, compared to 9.5 percent in 2007, according to the data gathered from the Health Resources and Services Administration's National Survey of Children's Health.And compared to 0.6 percent in 1987, 2.9 percent of children under 19 in 2002 have been prescribed stimulants, the report said.The finding raises the researchers' concern as stimulants have side effects such as decreased appetite, leeplessness and even heart-related damage, the report warned."Stimulant medications work well to control ADHD symptoms, but they are only one method of treatment for the condition. Experts estimate that about 60 percent of children with ADHD are treated with medication." says researcher Benedetto Vitiello, MD, of the U.S. National Institute of Mental Health."There is ongoing concern that these drugs may not be used properly, especially when they are prescribed to college students or children in their late adolescence who are more in charge of their care and may not be using the medications as prescribed." he added.

SAN FRANCISCO, Nov. 1 (Xinhua) -- Apple announced on Tuesday that its latest iPhone 4S smartphone will be available in China's Hong Kong, South Korea and 13 additional countries next Friday.Customers will be able to pre-order iPhone 4S beginning this Friday, the Cupertino, California-based company said in a statement.The other 13 countries are Albania, Armenia, Bulgaria, El Salvador, Greece, Guatemala, Malta, Montenegro, New Zealand, Panama, Poland, Portugal and Romania.So far, some owners have been complaining about the shorter battery life on their new iPhone 4S handsets. Apple is reportedly investigating the issue and has not made official comments yet.The iPhone 4S looks the same as the previous iPhone 4 but has major hardware upgrade inside. Apple announced sales of more than four million units of iPhone 4S in the three days after its launch in the United States on Oct. 14.The iPhone 4S now is available in 29 countries and is expected to arrive in stores in more than 70 countries by the end of this year.

BEIJING, Oct. 18 (Xinhuanet) -- Some seaweeds can kill the reef-building corals around them by emitting anti-coral chemicals, a new study found.The study was published Monday in the online edition of the journal Proceedings of the U.S. National Academy of Sciences (PNAS).The researchers investigated the interactions between eight different species of seaweed and three species of coral growing in the waters nearby the Fiji Islands, and identified a class of anti-coral organic compounds known as terpenes.These chemicals, found on the surfaces of several species of seaweed, can kill the coral by suppressing its photosynthesis.The finding suggests that the living space competition with seaweeds could be a factor of the coral's worldwide decline.Plant-eating fish normally controls seaweed growth on coral reefs, but the populations of these consumers are declining by the overfishing, which eventually resulted in the seaweed's dominant position, according to the researchers.Despite overfishing, pollution and warming oceans are also the contributors to coral's worldwide decline, said Jennifer Smith, a marine ecologist at the University of California, San Diego.