山西痔疮拉血(太原肛门里面长疙瘩) (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, Dec. 17 (Xinhua) -- Senior Communist Party of China (CPC) official Zhou Yongkang has called for efforts to promote a police campaign aimed at better addressing public complaints.Zhou, a member of the Standing Committee of the Political Bureau of the CPC Central Committee, made the remarks in a written instruction on the campaign launched by the Ministry of Public Security on Friday.During the six-month campaign, police will be sent to more households to settle disputes and complaints or help solve public problems. The public will also be invited to supervise the work of the police, according to the ministry.Zhou said he believed the campaign would cement ties between the police and the masses and called on police to build a positive image for themselves during the initiative.The desirable "positive image" would only be possible by promptly addressing those most-attended security issues, said Meng Jianzhu, minister of public security, at Friday's launching ceremony.Meng urged his fellow police officers to make solid progress in enhancing the public's sense of security through this campaign.Police services on household registration, exit & entry, traffic and fire fighting were specifically mentioned by Meng, which were instructed to be strengthened or improved.

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.

BEIJING, Jan. 22 (Xinhua) -- China restored 23,000 hectares of wetlands in 2011, according to the latest figures from the State Forestry Administration (SFA).An SFA spokesman said China reinforced wetland protection in 2011 by increasing subsidies in protecting wetlands. In the year the country carried out 42 wetland protection projects, increased 330,000 hectares of protected wetland areas, added four wetlands of international importance and 68 national wetland parks.The spokesman said in 2012 the country will further step up wetland protection and restoration, finish the second national wetland resources investigation and carry out pilot projects in assessing healthy conditions of the wetland ecological system.So far China has built more than 550 wetland natural reserves, 37 wetlands of international importance, which were listed in the Ramsar international wetland convention, and 100 national wetland parks. About half of the country's natural wetlands have been brought under effective protection, the SFA said.

NANCHANG, Oct. 1 (Xinhua) -- A copper sword dating back more than 2,200 years has been discovered in east China's Jiangxi Province, local archaeologists said.The design and shape of the sword indicate that it was forged during the Warring States Period (475 BC - 221 BC), according to Li Guoli, curator of the Nanchang Museum, where the sword is currently being stored.Despite having little aesthetic or scientific value due to a lack of decor or inscriptions, the sword still offers insights into the type of military equipment used during the period, Li said.The identity of the sword's original owner and the precise location where the sword was forged and used are still unknown, Li said.The sword was discovered by a laborer surnamed Xiong in Jiangxi's capital of Nanchang. Xiong found the sword while sorting and cleaning stones that had been dredged up from a riverbank.An argument between Xiong and another worker who was trying to claim the sword aroused attention from the local law enforcement, who then convinced Xiong to turn the sword over to archaeological authorities.

来源：资阳报