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BEIJING, Nov. 28 (Xinhuanet) -- Scientists in Canada have raised a prospect of reversing Alzheimer's disease by deep brain stimulation, according to media reports Monday.The technique here is known as deep brain stimulation -- applying electricity directly to regions of the brain. It has been used in tens of thousands of patients with Parkinson's as well as having an emerging role in Tourette's Syndrome and depression.The study at the University of Toronto took six patients with the condition. Deep brain stimulation was applied to the fornix -- a part of the brain which passes messages onto the hippocampus.Lead researcher Prof Andres Lozano said you would expect the hippocampus to shrink by five per cent on average in a year in patients with Alzheimer's.After 12 months of stimulation, he said one patient had a five per cent increase and another had an eight per cent increase.Prof Lozano told BBC: "This is the first time that brain stimulation in a human being has been shown to grow an area of your brain.""It was an amazing finding for us," he said.The findings were presented at the Society for Neuroscience conference in November but they have yet to be published in an academic journal.To test whether this is really working, rather than being a fluke result, the researchers are going to perform a larger trial.

JINAN, Oct. 24 (Xinhua) -- Chinese scientists have made a breakthrough that could lead to more effective treatments for leprosy.A team from Shandong Provincial Institute of Dermatology and Venereology in east China has identified two new risk variants near IL23R and RAB 32 genes that are responsible for the disease, according to a report published online Monday in the scientific journal Nature Genetics.Knowing that the two gene variants influence susceptibility to leprosy could allow doctors to diagnose the disease in sufferers earlier in its outset, as well as to develop new treatments. A genetic database could now be built up to predict those people particularly susceptible to leprosy, said Zhang Furen, the leader of the research team.The study involved more than 10,000 samples being taken from leprosy sufferers and healthy test subjects and analysed.Leprosy is a chronic nerve-killing disease that leads to problems with patients' skin, feet, hands, legs and eyes. More than 200,000 newly-contracted leprosy cases are reported worldwide every year, and China has around one tenth of the world's sufferers. 

BEIJING, Nov. 9 (Xinhuanet) -- Routine bowel screening can cut deaths from bowel cancer by 27 percent, a latest Scottish study finds.The result was presented at the National Cancer Research Institute's (NCRI) conference in Liverpool. Funded by the Scottish government's health department, the study involved over 370,000 people aged 50 to 69 from Scotland. Every participant was given a FOBt (faecal occult blood test) kit-- which was used to collect their stool samples-- every two years between 2000 and 2007. The samples were sent to a laboratory for hidden traces of blood test.Under the monitor of the researchers, the participants saw a 27 percent fewer bowel cancer deaths than a similar number of people from Scotland uninvolved in the trial."For the first time, we can see the effects of an FOBt-based colorectal cancer screening program in the real world of the NHS," cheered author Robert Steele from the Bowel Screening Research Centre in Dundee.According to a BBC report, when bowel cancer is detected at the earliest stage, 90% of patients survive for at least five years. After the disease has spread, the survival rate is just 6%.

BEIJING, Dec. 9 (Xinhua) -- Beijing has seen a declining trend in newly built ordinary apartments in the past 11 months of this year, said a report released by the Beijing Real Estate Association on Friday.That average price of 13,914 yuan (about 2,194.23 U.S. dollars) per square meter from January to November went down 6.3 percent from the yearly average housing price of 14,847 yuan per square meter in 2010, also the target set by the municipal government in attempting to control soaring house prices, said the report.It is expected that the real-estate market in Beijing will maintain the gradually declining trend. And the target of "a stable yearly price with a slight decline" will be smoothly reached, said Chen Zhi, secretary-general of the association.In November, first-time home buyers took up about 90 percent of housing consumers for the ninth month in a row, which means the government's measures to crowd out investing or speculative buying and meet the demands of conventional buyers are working, the report said.This year the government has repeatedly stressed its efforts to contain the runaway property market, through measures including tighter monetary policies, higher down payments, a ban on third-home purchases, price control targets and a trial property tax.

NEW YORK, Dec. 27 (Xinhua) -- New York City Mayor Michael Bloomberg announced on Tuesday that babies born in the city in 2009 have the record high life expectancy of 80.6 years, an increase of nearly three years since 2000.The rate of 80.6 years is also above the U.S. national rate of 78.2 years. Life expectancy for 40-year-olds in New York increased by 2.5 years (79.5 to 82) from 2000 to 2009, outpacing the national trend of 1.2 year-increase for the same age group in the U.S. as a whole."If you have friends and relatives that you deeply care about, and they live elsewhere, on average if they move to New York City, they will live longer," said Mayor Michael Bloomberg at Lincoln Hospital in Bronx.Bloomberg contributed the life expectancy progress to the city' s health interventions, including its anti-smoking campaign and expanded testing and treatment for the HIV virus.Despite the progress, heart disease, cancer and influenza/ pneumonia continue to rank as the top three leading causes of death in New York City, followed by lung disease and diabetes.