宜宾微整形(宜宾做双眼皮大概需要多少钱) (今日更新中)

BEIJING, Nov. 30 (Xinhuanet) -- Heading football frequently may cause brain damage leading to subtle but serious declines in thinking and coordination skills, a new study suggested as quoted by media reports Wednesday.Researchers used an advanced MRI (Magnetic Resonance Imaging) technique to analyze changes in brain white matter of 32 adult amateur soccer players who head balls 436 times a year on average.The study found players who head football quite frequently -- with 1,000 or more a year -- showed abnormalities similar to traumatic brain injuries suffered in car accidents."This is the first study to look at the effects of heading on the brain using sophisticated diffusion tensor imaging," said Dr. Michael Lipton, a leading researcher and associate director of the Gruss Magnetic Resonance Research Center at the Albert Einstein College of Medicine in New York City."We found the real implication for players isn't from hitting headers once in a while, but repetitively, which can lead to degeneration of brain cells," he added.The researchers compared neurological images of study participants, whose average age was 31, and found those with the highest volume of headers had abnormalities in five areas of the brain, responsible for attention, memory, physical mobility and high-level visual functions.The findings come in the wake of mixed reports on the so-called "cognitive" consequences of frequently heading soccer balls at practice.Dr. Chris Koutures, a pediatrician and sports medicine specialist in Anaheim Hills, California, said the retrospective imaging study was fascinating, but needs more data to effectively determine safe header limits, especially for younger players.Dr. Lipton agreed neuropsychological damage from headers would be hard for a coach or physician to notice since cognitive problems develop gradually, and even players might not be aware of mild memory loss."We can't tell an individual today not to be heading a ball, but caution is a good thing," Lipton said. "We need more research for definitive answers and we have the advanced imaging tools to do it."

BEIJING, Oct. 12 (Xinhuanet) -- Study found that women who took multivitamins may actually be at risk, media reports on Wednsday.Women who took the dietary supplements vitamin B6, folic acid, magnesium, zinc, copper, iron and multivitamins had a higher risk of death than women who did not.The new study, published in the Archives of Internal Medicine, examined more than 38,000 women aged 55 and older who took part in the Iowa Women's Health Study, which started in the mid 1980s. Researchers found the vitamins did nothing to reduce the risk of death and that most supplements have no positive effect on women's health.The study did not distinguish if the women in the study took the vitamins to fight diseases or to maintain health.Vitamin experts say the best way to make sure you are getting all necessary vitamins is to eat a well-balanced diet. The vitamins people take do not  depend on personal preference.

SAN FRANCISCO, Nov. 14 (Xinhua) -- Apple on Monday released a new version of its media player program iTunes, adding the much- anticipated scan-and-match service for music iTunes Match.The feature, included in iTunes 10.5.1, can scan a user's library to find music and match the content to the music available in iTunes Store. If it finds a match, users don't need to upload the music and can listen to them anywhere, even better-quality versions, on any devices running Apple's iOS operating system. Music that doesn't match is automatically uploaded.With a subscription fee of 24.99 U.S. dollars a year, users can store up to 25,000 of their own songs in Apple's cloud server. The iTunes Match is currently only available in the United States.Subscriptions for iTunes Match are unavailable for a while Monday morning due to excessive demand.The iTunes Match was first introduced in June along with Apple' s iCloud platform, the company's cloud service enabling users to sync their files, apps and content among Apple devices.Unlike Google and Amazon, Apple got the official blessings from all four major music labels, making the company only need to keep one copy of each song in its cloud server, eliminating the uploading work for users and redundancies for servers.When Apple's late co-founder Steve Jobs introduced the feature in his last keynote address in June, he touted the feature as "an industry leading effort," saying that the 24.99-dollar price is cheaper than Amazon's offering and Google has not announced a price yet.The release is also ahead of Google's latest music push. In an email invitation sent out last Friday, the search giant said it will hold an event called "These Go To Eleven" on Wednesday in Los Angeles. Tech news website The Verge reported that it will be the debut of the company's cloud music service Google Music.

COPENHAGEN, Nov.23 (Xinhua) -- Denmark's new tax on fatty foods is having little impact on consumer habits, an opinion poll showed Wednesday.Only seven percent of those polled said they had changed their shopping habits since the tax was imposed Oct.1, said FDB Analyse, which conducted the poll for Danish news agency Ritzau.The world's first fat tax affects products containing more than 2.3 percent saturated fat, meaning a kilo of saturated fat costs 16 Danish kroner (2.87 U.S. dollars).As a result, butter, cream, cheese, meat, cooking oil and processed foods like pizza and biscuits are among thousands of products that have become dearer in recent weeks.However, two out of three respondents to the poll said price rises are too low to make them alter their dietary habits, an opinion shared by some in the food retail sector."Price rises per product vary from a few oere to 2 kroner (0.36 U.S. dollar)," said Mogens Werge, Director of Consumer Policy at Coop, a supermarket chain which accounts for 40 percent trade in basic daily goods in Denmark."No Danes will change their dietary habits just because the cost of a packet of cookies rises by 35 oere," he told DR News, Denmark's public broadcaster.The Danish Agriculture and Food Council, an industry association, says the fat tax costs a Danish family with two children an additional 1,000 kroner (180 dollars), per year.Reacting to the poll, the Social Democratic Party (SDP), which leads Denmark's coalition center-left government, said the fat tax must be given more time to take effect."There are several parameters to measure the tax, one of which is purely economic, where you have to consider a longer time period," SDP consumer affairs spokesperson Mette Reissmann, told DR News."Also, I never thought we would suddenly become a nation that rejects fatty foods. It takes a long time to change consumer behavior," she added.The government's Commission on Prevention, tasked with finding ways to improve the nation's health, also said it is too early to evaluate the fat tax's impact. It believes the tax discourages purchase of unhealthy foods, and will help raise average Danish life expectancy by one week.For their part, two-thirds of poll respondents suggested the government would do better by removing value added tax (VAT) on healthy foods like fresh fruit and vegetables, and instead raise it on food products containing fat and sugar.Denmark already imposes 25 percent VAT on most consumer goods and food products.

BEIJING, Nov. 20 (Xinhua) -- China on Sunday morning put two satellites into orbit from the Jiuquan Satellite Launch Center in northwest China's Gansu Province.The satellites, Chuangxin 1-03 and Shiyan Satellite 4 were launched on a Long March 2D carrier rocket at 8:15 a.m. Beijing Time, said a Xinhua photographer, who witnessed the whole process.The Chuangxin 1-03, developed by the Chinese Academy of Sciences, will be used to collect and relay water conservancy, hydrological and meteorological data and data for power supply and disaster relief from monitoring stations.The Shiyan Satellite 4 will be used for experiments on space technologies and environment probe. Developed by the Chinese Research Institute of Space Technology, it is the country's fourth technology experiment satellite.The launch was the 151th of China's Long March series of rockets. The Long March-2D is one of the derivations of Long March-2.China started development of modern carrier rockets in 1956, and Long March rockets have become the main carriers for China's satellite launching.

来源：资阳报