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WASHINGTON, Dec. 21 (Xinhua) -- New research suggests that, in people who don't currently have memory problems, those with smaller regions of the brain's cortex may be more likely to develop symptoms consistent with very early Alzheimer's disease.The study was published Wednesday in the online issue of Neurology, the medical journal of the American Academy of Neurology.For the study, researchers used brain scans to measure the thickness of regions of the brain's cortex in 159 people free of dementia with an average age of 76. The brain regions were chosen based on prior studies showing that they shrink in patients with Alzheimer's dementia.Of the 159 people, 19 were classified as at high risk for having early Alzheimer's disease due to smaller size of particular regions known to be vulnerable to Alzheimer's in the brain's cortex, 116 were classified as average risk and 24 as low risk. At the beginning of the study, participants were also given tests that measured memory, problem solving and ability to plan and pay attention. The tests will go on over the next three yearsThe study found that 21 percent of those at high risk experienced cognitive decline during three years of follow-up after the MRI scan, compared to seven percent of those at average risk and none of those at low risk."Further research is needed on how using MRI scans to measure the size of different brain regions in combination with other tests may help identify people at the greatest risk of developing early Alzheimer's as early as possible," said study author Bradford Dickerson, of Massachusetts General Hospital in Boston and a member of the American Academy of Neurology.

YICHANG, Oct. 30 (Xinhua) -- China's Three Gorges Dam on Sunday reached its designed highest mark, the second time for the world's largest water control and hydropower project to run at full capacity.The water level hit 175 meters at 5 p.m. after storing water for nearly two months from the water level of 152 meters, said an official with the China Three Gorges Project Corporation (CTGPC), the developer of the project.A dozen hydropower turbo-generator units started operation on Sunday, generating power capacity of 8.2 million kw, said the official.The dam in central China's Hubei Province completed its first full-capacity test last October.Operating at full capacity should give full play to the dam's functions of generating hydroelectric power, delivering water to the lower reaches to alleviate spring droughts, and containing water from summer flooding, as required by the State Flood Control and Drought Relief Headquarters.The Three Gorges Project was launched in 1993 with a budget equivalent to 22.5 billion U.S. dollars.So far, monitoring shows the dam is operating smoothly.

BEIJING, Nov. 28 (Xinhuanet) -- A majority of the emergency hospitalizations for bad events related to medication use in old U.S. adults stem from four common medications, according to a new study in the New England Journal of Medicine Monday.The study was conducted by researchers from the Centers for Disease Control and Prevention of U.S.There are nearly 100,000 emergency hospitalizations for adverse drug events in older Americans, says researcher Daniel S. Budnitz, MD, MPH, director of the CDC's Medication Safety Program.And the four types of medication -- two for diabetes and two blood-thinning agents -- account for two-thirds of those drug-related emergency hospitalizations. They most often cited: warfarin (Coumadin, Jantoven); insulin; antiplatelet drugs such as aspirin and clopidogrel (Plavix); oral hypoglycemic agents."Both blood thinners and diabetes medicines are critical drugs that can be lifesaving," Budnitz says.However, he says that ''these are medications that you do need to pay attention to," being sure the dose and timing are correct, among other measures.

BEIJING, Jan. 5 (Xinhua) -- Chinese media organizations on Thursday unveiled the top 10 domestic and international news events of 2011.The selection of news events, the eighth of its kind in China, was jointly carried out by 46 major online media providers, including people.com.cn and Xinhuanet.com.The following are the top 10 domestic news events of 2011:-- China launched a series of tough government measures to cool off the property market, including higher mortgage rates, a ban on third-home mortgage loans and purchase restrictions. The State Council, or China's Cabinet, introduced a policy package urging enhanced efforts to ensure the healthy development of the property sector and to promote the construction of affordable housing units for low-income families.-- More than 90 central government departments publicized their 2010 and 2011 spending on government-funded overseas travel, receptions and official cars upon an order issued after an executive meeting of the State Council in May.-- China's amended Criminal Law criminalized all drunk driving incidents starting May 1. The previous law imposed criminal penalties on drunk drivers only when they caused serious traffic accidents.-- Food safety scandals erupted in great number in 2011. Authorities busted farmers for adding clenbuterol, a known carcinogen, to pig feed in order to grow leaner pigs.-- In a speech delivered on July 1 at a ceremony marking the 90th founding anniversary of the Communist Party of China (CPC), Hu Jintao, general secretary of the CPC Central Committee, hailed the Party's achievements and stressed efforts for the future development of the country and the Party.-- On July 23, a high-speed train rammed into a stalled train near the city of Wenzhou in the eastern province of Zhejiang, leaving 40 dead and 191 injured.-- The launch and safe return of the Shenzhou-8 unmanned spacecraft marked the successful completion of China's first space docking mission, with the spacecraft docking with the Tiangong-1 space lab module.-- A gathering was held on Oct. 9 to commemorate the 100th anniversary of China's 1911 Revolution, which ended 2,000 years of imperial rule in the country by toppling the Qing Dynasty.-- The 17th Central Committee of the CPC concluded its sixth plenary session in October, adopting a landmark guideline for improving the nation's cultural soft power and promoting Chinese culture. The CPC Central Committee also pledged enhanced efforts to promote the healthy and positive development of Internet culture.-- Ethics and morality were heavily discussed in the public sphere, with two incidents stoking debate. In July, a woman in east China's city of Hangzhou caught a two-year-old girl who plunged from the window of a 10th-floor apartment, winning praise from people across the country. However, in late August, a bus driver in east China's Jiangsu province stopped to save an old woman who was hit by a three-wheeled vehicle, only to find himself held accountable for the accident.The following are the top 10 international news events of 2011:-- Strong turbulence was encountered by several countries in western Asia and northern Africa.-- On March 11, a 9.0-magnitude earthquake struck Japan and triggered a huge tsunami, killing over 15,000 people and causing radioactive leaks from several reactors at the Fukushima Daiichi nuclear power plant.-- On May 1, U.S. Navy commandos killed al-Qaida leader Osama Bin Laden in a cross-border raid at Abbotabad.-- On July 10, Rupert Murdoch's News International company closed its News of the World tabloid after it was accused of hacking the mobile phones of dead crime victims to access saved messages.-- With the world economy staggering under the European and U.S. debt crises, the Occupy Wall Street movement was launched on Sept. 17, protesting corruption and greed in the financial sector.-- Apple co-founder and longtime Chief Executive Officer Steve Jobs passed away in October at the age of 56 after years of fighting pancreatic cancer.-- On March 19, NATO launched airstrikes in Libya to impose a no-fly zone under a UN Security Council resolution. On Oct. 20, Libya's former leader Muammar Gaddafi was killed as his hometown of Sirte fell to rebel forces.-- A report published by the UN Population Fund showed that the world's population reached 7 billion on Oct. 31, 2011.-- On March 7, U.S. credit rating agency Moody's Investors Service downgraded the credit rating of the Greek sovereign debt to B1, marking the start of the European sovereign debt crisis and worsening the economic situation in the eurozone.-- Kim Jong Il, the top leader of the Democratic People's Republic of Korea (DPRK), died on Dec. 17, 2011 from "a great mental and physical strain."

TAIPEI, Dec. 10 (Xinhua) -- A televised debate among three candidates for Taiwan's next deputy leader was staged Saturday, highlighting cross-Strait political and economic issues, for next month's Taiwan leader election.The three candidates touched upon topics such as stances on the reunification of Taiwan and the Chinese mainland and the "Taiwan independence," last year's signing of the cross-Strait Economic Cooperation Framework Agreement (ECFA), among other cross-Strait issues, during the second face-to-face debate before the Jan. 14, 2012 election.Wu Den-yih, who is incumbent Taiwanese leader Ma Ying-jeou's running mate and currently chief of Taiwan's executive authority, said the signing of the ECFA aims to "help people do business and enhance Taiwan's competitiveness." Ma is seeking a second term.The ECFA did not speed up Taiwan's inclination toward the mainland market, but ensured the island's utmost interests instead, Wu said, adding that if Ma, who is also chairman of Taiwan's ruling Kuomintang (KMT) party, did not win during the upcoming election, cross-Strait peace and stability would not be maintained.However, Wu's main rival Su Jia-chyuan, the running mate of Tsai Ing-wen who campaigned for Taiwan's next leader representing major opposition Democratic Progressive Party (DPP), claimed that Taiwan is a "sovereign state" and its fate would be decided by Taiwanese themselves, no matter it would become independent or unified with the mainland, or maintain the status quo.Taiwan's future would be guaranteed only if the so-called "Taiwan consensus," put forward by Tsai, was realized, Su said during the debate.Another debater, Lin Ruey-shiung, 72, the running mate of People First Party (PFP) candidate James Soong, called for the signing of a cross-Strait peace accord, and said that the Chinese nation was fundamentally one family, with reunification benefiting both and secession hurting both.Lin said, as a member of the Chinese nation, Taiwan must be reunified with the mainland in the future, without wars, and it is the aspiration of all Taiwanese that people of both sides could freely visit each other.The three candidates also debated on anti-corruption, financial deficit and social equity.Saturday's debate among the candidates for deputy leader was the second of a three-part series. A debate of the Taiwan leader hopefuls was staged last Saturday, and they will spar again on Dec. 17.

来源：资阳报