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NEW YORK, Aug. 19 (Xinhua) -- U.S. crude oil price edged down on Friday, ending the week with a 3.65-percent loss, the fourth straight drop in the week.With absence of major macro-economic news, crude prices on Friday mainly followed the dollar's steps. As the dollar dipped to its historic low against the Japanese yen while dropping also against the euro, oil rallied for most of the trading session.But in the last trading hour, crude turned negative because the dollar bounced back from low and the U.S. stocks turned to red. The dollar index, tracking the greenback's performance against a basket of currencies, fell 0.4 percent.Crude prices fell sharply on Thursday as fears of a double-dip recession triggered sell-off of riskier assets. WTI dropped nearly 6 percent. On Friday, the markets seemed to start calming down. But for the week, it still posted a fall of 3.65 percent.Light, sweet crude for September delivery fell moderately 12 cents, or 0.15 percent to settle at 82.26 dollars a barrel on the New York Mercantile Exchange after trading from 79.17 to 83.55 dollars.But in London, Brent crude for October delivery gained 1.63 dollars, or 1.52 percent to close at 108.62 dollars a barrel. For this week, it gained 59 cents, or 0.55 percent.

UNITED NATIONS, Sept. 19 (Xinhua) -- Mohammad Hossein Niknam, acting minister of health in international affairs of Iran, said here on Monday that his country is working to prevent and counteract the non-communicable diseases (NCDs), which have had significant effect on the population."NCDs have traditionally been more prevalent in affluent societies," he said. "However, they are increasingly becoming common in many developing countries, and in particular among the less affluent groups. The Eastern Mediterranean Region (EMRO) as others is suffering a heavy burden of NCD diseases and Iran is no exception: the total burden of disease for NCDs is 45 percent for males and 33 percent for females."Niknam's statements came as he addressed the UN General Assembly High-Level Meeting on Prevention and Control of Non- communicable Diseases."This timely high-level event provides us with an ideal platform to share views, information, ideas and experiences, to come up with remedial proposals and to forge effective collaborative partnerships in the implementation of realistic but effective health development programs in common areas of concern pertaining to the non-communicable diseases," Niknam said.He explained that Iran is implementing a series of programs in order to reduce the frequency and impacts of NCDs."As part of these programs I would like to mention prevention and control of common NCDs risk factors, imposition of taxes to curtail unhealthy habits such as tobacco consumption, execution of mass public information and educational campaigns, fostering food industry regulations, screening of blood pressure levels and high glucosemia," he said.Iran has created a Non-Communicable Diseases Risk Factor Surveillance System, according to Niknam. This system, in place since 2004, has conducted six large-scale surveys to gather information helpful to public health."Further, comprehensive cumulative national data has been compiled based on age, sex and location to facilitate effective monitoring and implementation of policies geared towards control and prevention of NCDs," Niknam said.Iran is conducting many other integrated NCD control and prevention programs, such as, to name a few, a Cardiovascular Diseases Control Program for rural areas; a National Cancer Control Program focusing on breast and colorectal cancers; and a Diabetes Control and Prevention Program that targets both rural and urban areas.Niknam ended his statement by noting that Iran has held regional consultations on the NCD issue."I would like to conclude my remarks by mentioning that as a sign of its commitment to promote regional and international cooperation, the Islamic Republic of Iran hosted on 25-26 October 2010 in Tehran the first regional meeting of a series of the regional consultations held by WHO (World Health Organization) on the prevention and control of NCDs," he said. "In our understanding, only through closer and meaningful collaboration at all levels, especially in areas such as legislation, resource mobilization and information and knowledge sharing, we may success in our endeavor to prevent and combat NCDs."

WASHINGTON, June 8 (Xinhua) -- Hundreds of small genetic variations are associated with autism spectrum disorders, including an area of DNA that may be a key to understanding why humans are social animals, according to a multi-site collaborative study led by researchers at Yale University.To be published Thursday in the journal Neuron, the study reinforces the theory that autism, a disorder that develops in early childhood involving impairments in social interaction, language deficits and distinctive behaviors, is not caused by one or two major genetic defects, but by many small variations, each associated with a small percentage of cases.The study looked at more than 1,000 families in which there was a single child with an autism spectrum disorder, an unaffected sibling and unaffected parents. The team compared individuals with autism to their siblings to determine what types of genetic changes distinguished the affected child from the unaffected child.One of the most intriguing of these findings points to the same small section of the genome that causes Williams syndrome -- a developmental disorder marked by high sociability and an unusual aptitude for music.In autism, there is an increase in the chromosomal material, an extra copy of this region, and in Williams syndrome, there's a loss of that same material," said lead author Matthew State. "What makes this observation particularly interesting is that Williams syndrome is known for a personality type that is highly empathetic, social, and sensitive to the emotional state of others. Individuals with autism often have difficulties in the opposite direction. This suggests that there is an important key in that region to understanding the nature of the social brain."State and his team also found about 30 other regions in the genome that are very likely contributing to autism and are focused on about six of those regions that showed the strongest evidence."We're now moving on to a second phase of the study looking at an additional 1,600 families and should be able to identify multiple new regions that are strongly implicated in autism," he said.