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|TORONTO [url=http://www.bestjordanretroforsale.com/]Air Jordan Shoes For Sale[/url] , Sept. 6 (Xinhua) -- Canada's main stock index edgeddown Wednesday after the Bank of Canada surprised many with aninterest rate increase, with the move cutting into earlier gainsfor energy stocks as oil prices rose.|
The Toronto Stock Exchange's benchmark Standard & Poor'sTSXComposite Index declined 30.32 points, or 0.2 percent, to finishthe day at 15 [url=http://www.bestjordanretroforsale.com/]Jordan 13 Shoes For Sale[/url] ,059.83. Eight of the index's 10 main groups closedlower.
The most influential gainers included Alimentation Couche Tard,which jumped 2.2 percent to 60.76 Canadian dollars after theconvenience store operator reported better-than-expected quarterlyearnings.
The energy group trimmed sharper gains before the rate hikeannouncement, with Canadian Natural Resources up 1.4 percent to39.83 Canadian dollars and Encana Corp also up 1.4 percent to 11.69Canadian dollars.
Pipeline company Enbridge rose 0.4 percent to 49.96 Canadiandollars and rival TransCanada Corp added 0.6 percent to 62.76Canadian dollars.
Hudson's Bay Co fell at the open before paring those losses tolast trade down 1.2 percent at 11.13 Canadian dollars. Thedepartment store behemoth reported a bigger-than-forecast quarterlyloss after the bell on Tuesday.
The Canadian dollar leaped 0.97 cents to 0.81.82 U.S. dollarwhile gold prices jumped 50 cents to 1,343.00 U.S. dollars anounce. Enditem
CHICAGO [url=http://www.bestjordanretroforsale.com/]Jordan 9 Shoes For Sale[/url] , Jan. 2 (Xinhua) -- A sleepless night causes levels of the Alzheimer's protein amyloid beta to rise faster than the brain's waste-disposal system can remove it, a study of Washington University School of Medicine in St. Louis found.
Persistent high levels of the protein can set off a cascade of brain changes leading to dementia.
Researchers at the university studied eight people aged 30 to 60 with no sleep or cognitive problems. The participants were assigned randomly to one of three scenarios: having a normal night's sleep without any sleep aids; staying up all night; or sleeping after treatment with sodium oxybate, a prescription medication for sleep disorders.
Each scenario occurred during 36 hours of monitoring, starting in the morning and continuing through the afternoon of the following day. The researchers took samples of the fluid that surrounds the brain and spinal cord every two hours to monitor how amyloid beta levels change with time of day and tiredness.
All eight participants returned four to six months later to undertake a second scenario [url=http://www.bestjordanretroforsale.com/]Jordan 11 Shoes For Sale[/url] , and four people completed all three.
Amyloid beta levels in sleep-deprived people were 25 to 30 percent higher than in those who had slept the night through. After a sleepless night, amyloid beta levels were on par with the levels seen in people genetically predisposed to develop Alzheimer's at a young age.
"This study is the clearest demonstration in humans that sleep disruption leads to an increased risk of Alzheimer's disease through an amyloid beta mechanism," said senior author Randall Bateman, professor of neurology at Washington University in St. Louis.
One sleepless night probably has no effect on overall risk of Alzheimer's. Researchers are much more concerned about people with chronic sleep problems.
When amyloid beta levels in the brain are persistently high [url=http://www.bestjordanretroforsale.com/]Jordan 1 Shoes For Sale[/url] , the protein is more likely to start collecting into plaques. Such plaques damage nearby neurons and can trigger a cascade of destructive brain changes. The brains of people with Alzheimer's disease are dotted with such plaques.
In the study, people who took sleep medication had levels of amyloid beta no lower than people who had slept normally.
An estimated 50 million to 70 million American adults struggle to get a good night's sleep. Some have medical conditions such as sleep apnea.
Further studies are needed to determine whether improving sleep in people with sleep problems can reduce amyloid beta levels and risk of Alzheimer's disease.
The study has been published online in Annals of Neurology.
Fox's "Deadpool" (Xinhuanet file photo)
LOS ANGELES, Feb. 21 (Xinhua) -- Fox's "Deadpool" remained in first place at the box office, riding a 55 million U.S. dollars wave in estimated box office sales this weekend [url=http://www.bestjordanretroforsale.com/]Air Jordan 13 For Sale[/url] , and was the most-popular movie in North America for a second week.
The R-rated superhero movie, a comic book adaptation starring Ryan Reynolds as a foul-mouthed mercenary, saw a sharp 58 percent down from last weekend. But "Deadpool" held up better than Marvel's "X-Men: Days of Future Past" in 2014, which fell 64 percent in its second weekend to gross 32.5 million dollars.
"Deadpool" is an "unexpected performance (by) this most unconventional blockbuster [url=http://www.bestjordanretroforsale.com/]Air Jordan 9 For Sale[/url] ," said comScore industry analyst Paul Dergarabedian.
In second place, the animated "Kung Fu Panda 3" was on track for a 12.5 million dollars weekend. The 3D computer animated sequel from DreamWorks Animation was down a solid 37 percent from last weekend. It has taken in 117.1 million dollars in sales over its four weeks of exhibition so far.
Two spooky new movies split the fear factor demographic and debuted in third and fourth place. Sony's "Risen" scored an estimated 11.8 million dollars along with an "A-" from first-night moviegoers on CinemaScore.
Robert Eggers' period horror feature "The Witch" brought in an estimated 8.6 million dollars with a not-so-promising "C-" CinemaScore.
Rounding out the rest 10 most-popular movies this weekend were "How To Be Single" (8.2 million dollars), "Race" (7.3 million), "Zoolander 2" (5.5 million) [url=http://www.bestjordanretroforsale.com/]Air Jordan 11 For Sale[/url] , "Star Wars: The Force Awakens" (3.8 million), "The Revenant" (3.8 million) and "Hail Caesar!" (2.6 million).
BEIJING， Feb. 19 (Xinhua) -- China's environment watchdog will monitor air quality changes in cities to gauge the success of measures to reduce pollution.
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