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One out of every three Chinese people over the age of five is nearsighted Cheap Air Max 2017 , says a white paper on the visual health of the Chinese population, the first of its kind, unveiled on Sunday, the Beijing Times reported.


According to the white paper, 437 million to 487 million Cheap Air Max , or 35.16 to 39.21 percent, of the Chinese population aged above five suffer from myopia – with 29 million to 30.4 million, or 2.33 to 2.47 percent, living with a high degree of myopia.


Without effective intervening measures, the percentage of myopia patients above age five is expected to jump to about 51 percent by 2020 Cheap Nike Air Max Vapormax Outlet , it added.


The occurrence of myopia and its harm are irreversible and high myopia could lead to pathological changes in the eye fundus, causing severe and permanent visual impairment, the white paper warned. The disease could also adversely affect future population quality, as it could be inherited and passed on through families.


In addition, prescription lenses are a significant economic burden. In 2012 Cheap Nike Air Max 2018 Outlet , 232 million to 263 million people above the age of five had them. About 102 million to 117 million new lenses were demanded by myopia patients every year, costing somewhere between 45.45 billion and 53.25 billion yuan, the paper said.


CHICAGO, April 14 (Xinhua) -- When Joshua C. Shelton was a young boy, he had to cross gang-enforced neighborhood boundaries Cheap Nike Air Max 2017 Outlet , quickly running to and from school to avoid any street conflicts.


Now, as a young police officer in Englewood, one of the most dangerous neighborhoods on the South side of Chicago, he carries the weight of seeking out solutions to stop the violence that fractures the third-biggest city in the United States.


"Violence has to stop and it is better stopped starting with each individual, the parents of each household Cheap Nike Air Max Outlet , and the leaders of the community," Shelton told a large crowd who took part in the Walk for Peace on Friday.


The peaceful march in Englewood attracted several hundred people, including faith leaders, civic rights activists and family members who lost their beloved ones, remembering the victims of gun violence.


The procession stopped at several street corners Cheap Air Max Vapormax Outlet , with people reciting the names of those who have been killed since January.


The situation has worsened these years, especially in 2016, when Chicago saw 762 murders -- an average of two per day, the most killings in the city for two decades and more than New York and Los Angeles combined.


The city "so full of life and excitement," as Shelton described Cheap Air Max 2018 Outlet , recorded 1,100 more shooting incidents in 2016 than the previous year, according to statistics released by the Chicago Police Department.


Preliminary data compiled by Chicago Tribune show that till April 14, a total of 865 people have been shot dead or injured this year.


Chicago's notorious organized gangs have been splintered into smaller groups that now shoot up the city's streets. Violence that seems gang-related is often personal, as young men shoot each other over insignificant insults and conflicts Cheap Air Max 2017 Outlet , said analysts.


Most of the shootings happened on the West and South sides, where many young African-Americans have no jobs, see no hope.


On the same day as hymns like "We Shall Overcome" echoed in the streets where the Walk for Peace took place, Chicago police reported that another three people were wounded in shootings, including a 15-year-old boy.


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SYDNEY， March 29 (Xinhua) -- Australian researchers have for the first time identified proteins that allows malaria parasites to "walk through" cell walls.


The team from Melbourne's Walter and Eliza Hall Institute of Medical Research (WEHI) were the first in the world to discover the 'superpower' of malaria to walk through cell walls by using an insectary to grow malaria parasites.


They have now identified the two proteins that are key to the parasite's unique ability， providing hope that they could be targeted to develop antimalarial drugs or even a vaccine.


Justin Boddey， the lead researcher of the project， explained that when a person is infected by malaria the parasite multiplies in the liver then bursts out and infects the blood.


He said that the research had confirmed that the deadly parasite， Plasmodium falciparum， had the ability to 'walk through cell walls' when seeking liver cells where it could hide and multiply.


"The malaria infection cycle begins with a mosquito bite， when parasites are injected into the skin， and then rapidly move to the liver，" Boddey said in a media release on Wednesday.


"We have shown that P. falciparum employs a technique called cell traversal to quickly move through host cells in their path as they seek out liver cells to infect.


"Our study identified that P. falciparum parasites traverse human cells effectively walking through cell walls using two proteins called SPECT and PLP1 to achieve this superpower. This allows parasites to get from the skin to the liver very quickly following a mosquito bite."


Malaria is responsible for 650，000 deaths globally every year， predominantly children and pregnant women， making it one of the most deadly diseases in the world.


Boddey said pinpointing the proteins was the best avenue for developing new therapies