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BEIJING, Oct. 12(Xinhuanet) -- People allergic to peanuts may find relief in a new research by American scientists, according to Huffington Post Monday.Scientists from the Northwestern University Feinberg School of Medicine have found a way to turn off allergic responses by creating an immune system tolerant to peanuts.They attached peanut proteins, the source of the allergy, to white blood cells of mice. Then the mice's immune systems would recognise the proteins and become tolerant to them.When people eat peanuts, allergic human bodies would recognize peanut proteins as invading pathogens and trigger immune responses like throat swelling, even closing up, which can be lethal. Ditto for mice's bodies.But when peanut protein attached to the body's own cells, the immune systems would regard the peanut proteins as perfectly normal and not attack the cells, said Paul Bryce, an assistant professor involved in the study. Then the allergic responses disappeared.The research was conducted on mice. But the scientists expected the method to cure peanut allergies could apply to humans, according to Huffington Post.Although the research was promising, it did not mean that peanut allergies in humans could be actually cured in the foreseeable future, said Dr. Clifford Basset medical director at Allergy and Asthma Care of New York, to ABC News, "Its all about education, prevention and preparedness".

WASHINGTON, Jan. 2 (Xinhua) -- A systematic review of previous studies suggests that there may be a positive connection between physical activity and children's academic performance, according to a report published Monday in the Archives of Pediatrics & Adolescent Medicine.A group of scientists at the Vrije Universiteit (Free University) Medical Center in the Netherlands reviewed evidence on the relationship between physical activity and academic performance because of concerns that pressure to improve test scores may often mean more instructional time for classroom subjects with less time for physical activity.The authors identified 10 observational and four interventional studies for review, 12 of which were done in the United States, one in Canada and one in South Africa. Sample sizes ranged from 53 to about 12,000 participants between the ages of eight years and 18 years old. Follow-up varied from eight weeks to more than five years."According to the best-evidence synthesis, we found strong evidence of a significant positive relationship between physical activity and academic performance. The findings of one high-quality intervention study and one high-quality observational study suggest that being more physically active is positively related to improved academic performance in children," the report said.Background information in the article suggests that exercise may help cognition by increasing blood and oxygen flow to the brain, increasing levels of norepinephrine and endorphin to decrease stress and improve mood, and increasing growth factors that help create new nerve cells and support synaptic plasticity."More high-quality studies are needed on the dose-response relationship between physical activity and academic performance and on the explanatory mechanisms, using reliable and valid measurement instruments to assess this relationship accurately," the report concluded.

RIYADH, Jan. 15 (Xinhua) -- Visiting Chinese Premier Wen Jiabao and Saudi Arabia's King and Prime Minister Abdullah bin Abdul-Aziz agreed on Sunday to make concerted efforts to enhance bilateral relations under a strategic framework.In their meeting, Premier Wen said Saudi Arabia is a major country in the Arab and Islamic world, which plays a significant role in regional and international affairs.He said China respects Saudi Arabia's political system, development mode as well as its culture and traditions, and is grateful for Saudi Arabia's understanding of and support for China regarding the latter's core interests and major concerns.As the world is undergoing profound changes, China is willing to strengthen coordination with Saudi Arabia on major issues, develop an all-around cooperative partnership in the energy sector, expand cooperation in trade, investment, infrastructure, high-tech, finance, security and law enforcement, so as to enrich the contents of the bilateral relations, he added.King Abdullah said that the government and people of Saudi Arabia cherish friendly feelings for China, and that he believes the strengthening of bilateral cooperation will benefit peoples of both countries.The Saudi king proposed setting up a Saudi Arabia-China high level committee to supervise the two countries' cooperation in the political, economic, cultural and security sectors. Premier Wen agreed with this proposal.On the situation in West Asia and North Africa, the visiting Chinese premier said China respect the choice of the peoples in those countries, understand and support their appeal for reforms, and back the role of regional bodies like the Arab League in maintaining stability.For his part, King Abdullah noted it was the objective of Saudi Arabia's foreign policy to maintain regional peace and stability. Saudi Arabia and China enjoy a high level of mutual trust and share similar views on many issues, he said, adding that the Saudi side wishes to step up consultation and coordination with China.Premier Wen has also met with top Saudi leaders, Secretary General of the Organization of Islamic Cooperation Ekmeleddin Ihsanoglu, and Secretary General of the Gulf Cooperation Council Abdullatif al-Zayani.In a joint statement, the two sides hailed Premier Wen's visit to Saudi Arabia as a complete success, which will contribute to their long-term friendly cooperative relations.The statement said both countries were satisfied with the progress made in bilateral cooperation, and pledged to further enhance relations within the framework of strategic relationship, so as to benefit the two peoples and contribute to regional and world peace, stability and development.The two countries agreed in the document to conduct more high-level exchanges of visits, and to expand trade, investment and cooperation in a wide range of areas. The Saudi side also reiterated its adherence to the one-China policy.Wen arrived in Saudi Arabia Saturday evening after an official visit to Nepal.After his stay in Saudi Arabia, the Chinese leader will continue his visit to the United Arab Emirates and Qatar.

BEIJING, Oct. 12 (Xinhuanet) -- People are often recommended to eat plenty of fruits and vegetables, but only a minority people take the advice. A new research may motivate more people to do so.BBC reported a new study Tuesday that found eating lots of vegetables and fruits can weaken the effect of a gene variant called 9p21, which is reported to be one of the strongest predictors for heart disease, thereby reducing risks of heart disease.The researchers from McMaster and McGill universities studied the diets of more than 27,000 people around the world, including Europe, China, and Latin America.They found that people with the high-risk gene appeared to have a similar risk of heart disease as people with a low-risk variant of that gene after consuming a diet with a healthy amount of vegetables and fruits.But how diet has such an effect on the gene was unknown, said Dr. Sonia Anand, a lead author of the study published in PLoS Medicine journal.Anand added, "Despite having a high genetic risk for heart disease, a healthy lifestyle can actually turn off the gene."The message here is very clear, eating plenty of vegetables and fruits is definitely good to people's heart health, according to BBC.

JERUSALEM, Jan. 12 (Xinhua) -- An Israeli company has developed a system that scans the brain and provides a three dimensional image of the nerve cell connectivity to treat brain diseases like Alzheimer's or HDHD.The firm ElMindA trademarked a non-invasive system, the BNA ( Brain Network Activation), that helps doctors visualize the connectivity between nerve cells and synchronization that can even measure the severity of the patients condition from one day to another, the Israel21c news site reported on ThursdayBy creating a three-dimensional image of the brain while asking the patients to repeat an activity several times, BNA developers hope this system will become a regular way of diagnosing brain illnesses."Our vision is that every psychiatrist and neurologist in the world will routinely send every patient for BNA tests," said Dr. Eli Zangvil, ElMindA's strategic advisor for business development. "Our test would add information and aid in diagnostics in a way no other existing technology can do," he added.BNA could help doctors find out exactly at what stage of the disease patients and prescribe the exact medication for them."To do that, we must collect a lot of data," Zangvil said. "To say this person has a certain disease or condition, I have to be able to compare their pattern to a normal brain pattern of a person of the same age and gender." he said.Researchers hope to gather the amount of data they need to obtain FDA approval in the U.S. by the end of 2012, and start marketing it to hospitals by 2013.