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BEIJING, March 3 (Xinhuanet) -- A new study suggested that regular use of painkiller ibuprofen may cut the risk of developing Parkinson's disease, according to Reuters reports.The research findings were published in the online edition of the journal Neurology on Wednesday and later will appear in the print edition on March 8.The study, which followed more than 136,000 U.S. men and women for six years, showed that people who took ibuprofen at least twice a week were 38 percent less likely to develop Parkinson's, a brain disorder that causes tremors and movement problems, compared to those who didn't take the pain reliever so often.Ibuprofen is sold in the U.S. as a non-steroidal anti-inflammatory drug (NSAID). But the study didn't prove that other NSAIDS, like aspirin or naproxen, could also cut the Parkinson's risk."Our study suggests ibuprofen could be a potential neuroprotective agent against Parkinson's," says lead researcher Dr. Xiang Gao from Harvard Medical School, "Protective effects are seen after taking ibuprofen two or more times a week. That's so-called regular use."However, he also warned that no proof has been found that ibuprofen itself can help ward off Parkinson's, and said that it's too early to recommend people to start taking ibuprofen to protect against the disorder.Gao said, "We just see an association, not some causal relationship."Besides, regular ibuprofen use has risks, like stomach bleeding and kidney damage.

VIENNA, March 28 (Xinhua) -- Stress hormone is helpful in alleviating acrophobia, a morbid fear of great heights, according to a study by Austrian scientists.They published the findings in the recent Proceedings of the National Academy of Sciences of the United States of America.Frank H. Wilhelm, professor from the Department of Clinical Psychology, Psychotherapy and Health Psychology at the University of Salzburg, Austria, carried out the first study demonstrating the clinical effectiveness of hormones released at periods of high stress in anxiety.The study found hormones and other drugs could be a good addition to behavioral treatment of several anxiety disorders.People with acrophobia have formed a so-called fear memory, which could be activated when the fear-causing stimulus occurs. They tend to react with feelings of extreme fear and anxiety to the ride in a glass elevator.Hence, scientists conducted a confrontation therapy, trying to mask this memory.A total of 40 experimental subjects had been put in a safe environment to constantly confront the fear-inducing stimulus, until they had a new reaction to the perceived threat.Observations also suggested hormones released in high stress had impact on learning and memory.Additionally, stress hormones were believed to facilitate the storage of new, anxiety-free competence and experienced confidence in the therapy. Animal studies have shown that this emotional relearning benefits from cortisol, one of the stress hormones.

BEIJING, Feb. 11 (Xinhua) -- China's foreign exchange regulator said Friday it did not suffer any losses from its investment in Fannie Mae and Freddie Mac bonds, adding that media reports of up to 450 billion U.S. dollars of losses were "groundless.""Up until now, the capital and interest repayments of Fannie Mae and Freddie Mac bonds is normal, and no losses have incurred," The State Administration of Foreign Exchange (SAFE) said on its website.Annual yields of the bonds were around 6 percent between 2008 and 2010, the SAFE said.The regulator, which oversees China's more than 2 trillion U.S. dollars of foreign exchange reserve, also clarifies it had not bought any stocks of the two troubled mortgage companies.UPI reported on Friday that the Obama Administration will propose phasing out the two mortgage giants after rescuing them, which is part of a U.S. Treasury Department white paper to Congress that lays out three ways of cutting government support to the 10.6 trillion U.S. dollars mortgage market.

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