March 3, 2013
Mohenjo
Medical
'wrong' immune response, 8.7 million people infected with tuberculosis, amazon, bacteria, bacterial infections, bbc, bbc news, business, climate, Health, Hotels, immune response, journal science reports, medicine, news health, research, Science, Science News, spring peak, technology, Technology News, travel, tuberculosis, tuberculosis infections, vacation, viruses, www bbc co uk
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Some bacteria, including tuberculosis, are able to invade because the body launches the ‘wrong’ immune response, say researchers.
Instead of fighting off tuberculosis, people with a severe infection produce a protein which attacks viruses, the journal Science reports.
About 8.7 million people are infected with tuberculosis every year.
The findings may explain why viruses can make people more susceptible to bacterial infections.
A spring peak in tuberculosis infections may be linked to the effects of viruses circulating in winter, experts suggested.
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http://www.bbc.co.uk/news/health-21619594
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March 3, 2013
Mohenjo
Medical
amazon, aviation, bbc, bbc news, business, climate, diabetes, Health, Heart Disease, Hotels, journal PNAS, less than six hours sleep, little sleep alters activity of hundreds of genes, medicine, nature, Obesity, poor brain function, poor sleep damages health, research, Science, Science News, technology, Technology News, transportation, travel, University of Surrey, vacation, www bbc co uk
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The activity of hundreds of genes was altered when people’s sleep was cut to less than six hours a day for a week.
Writing in the journal PNAS, the researchers said the results helped explain how poor sleep damaged health.
Heart disease, diabetes, obesity and poor brain function have all been linked to substandard sleep.
What missing hours in bed actually does to alter health, however, is unknown.
So researchers at the University of Surrey analysed the blood of 26 people after they had had plenty of sleep, up to 10 hours each night for a week, and compared the results with samples after a week of fewer than six hours a night.
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http://www.bbc.co.uk/news/health-21572686
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February 13, 2013
Mohenjo
Technical
advertising, amazon, American Express, Amex, Apple, bbc, bbc news, business, current-events, Facebook, gaming, hashtag, Hotels, Microsoft, post a specific hashtag on Twitter, purchase-by-tweet, research, retail expert, Science, Science News, social-media, Sony, specific hashtag, technology, Technology News, travel, Twitter, US-based customers, vacation, www bbc co uk
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American Express (Amex) has launched a purchase-by-tweet service for its US-based customers.
Credit-card holders post a specific hashtag on Twitter to trigger payments from their accounts.
Products from Amazon, Sony and Microsoft are being offered at a discount to entice shoppers to use the new service.
However, one retail expert dismissed the initiative as a “gimmick” that was unlikely to catch on.
This is not Amex’s first tie-up with social media.
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http://www.bbc.co.uk/news/technology-21424799
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January 31, 2013
Mohenjo
Science
aviation, bbc, bbc news, black hole in the NGC4526 galaxy, black holes, business, climate, Environment, gaming, how massive supermassive black holes, how they affect galaxy evolution, infers a black hole's mass, NGC4526 galaxy, published in Nature, Science, Science News, supermassive black holes, technology, transportation, travel, vacation, weighs 450 million times our sun, www bbc co uk
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Researchers have proposed a new means for getting a measure of just how massive supermassive black holes are.
They are known to exist at the centres of most galaxies, but a puzzle remains as to how they affect galaxy evolution.
The approach, published in Nature, infers a black hole’s mass from the speed of molecules swirling around it.
It could help weigh hundreds of nearby black holes. Its first use suggests a black hole in the NGC4526 galaxy weighs 450 million times that of our Sun.
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http://www.bbc.co.uk/news/science-environment-21259221
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January 27, 2013
Mohenjo
Medical
'No excuse', bbc, bbc news, business, climate, diabetes, diabetes control, diabetes diet, diabetes researchers, diabetes warning signs, Health, Journal of the American Society of Nephrology, kidney disease, kidney problems, kidneys, medicine, mental-health, research, reverse diabetes, Science, Science News, technology, travel, Type 2 diabetes, type 2 diabetes diet, uk experts, University Of Washington, vacation, www bbc co uk
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Keeping your kidneys healthy could be one of the best ways to extend your life if you have Type 2 diabetes, researchers have suggested.
The University of Washington study found that having kidney disease meant a much higher risk of early death.
UK experts say that the NHS is still not putting enough effort into detecting and controlling kidney problems caused by diabetes.
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http://www.bbc.co.uk/news/health-21184232
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January 22, 2013
Mohenjo
Medical
"molecule of life", "quadruple helix", bbc, bbc news, business, Cambridge University, climate, double helix, four-stranded DNA, genetic code, Health, human cells, journal Nature Chemistry, medicine, news science, research, Science, science environment, Science News, technology, travel, university scientists, vacation, www bbc co uk
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Cambridge University scientists say they have seen four-stranded DNA at work in human cells for the first time.
The famous “molecule of life”, which carries our genetic code, is more familiar to us as a double helix.
But researchers tell the journal Nature Chemistry that the “quadruple helix” is also present in our cells, and in ways that might possibly relate to cancer.
They suggest that control of the structures could provide novel ways to fight the disease.
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http://www.bbc.co.uk/news/science-environment-21091066
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January 22, 2013
Mohenjo
Medical
bbc, bbc news, business, Dr Deborah Fein, Health, journal of child psychology and psychiatry, mental-health, National Institutes of Health, research, Science, Science News, some children might possibly outgrow autism, technology, travel, vacation, www bbc co uk
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Some young children accurately diagnosed as autistic lose their symptoms and their diagnosis as they get older, say US researchers.
The findings of the National Institutes of Health study of 112 children appears to challenge the widely held belief that autism is a lifelong condition.
While not conclusive, the study, in the Journal of Child Psychology and Psychiatry, suggests some children might possibly outgrow autism.
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http://www.bbc.co.uk/news/health-21029593
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January 16, 2013
Mohenjo
Science
bbc, bbc news, Black carbon, business, carbon dioxide, climate, climate warming, climate-warming agent, Environment, Future, global warming, journal of geophysical research, Journal of Geophysical Research-Atmospheres, news science, particles from diesel engines, particles from wood burning, research, research scientists, Science, science environment, Science News, soot, technology, travel, vacation, www bbc co uk
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Black carbon, or soot, is making a much larger contribution to global warming than previously recognized, according to research.
Scientists say that particles from diesel engines and wood burning could be having twice as much warming effect as assessed in past estimates.
They say it ranks second only to carbon dioxide as the most important climate-warming agent.
The research is in the Journal of Geophysical Research-Atmospheres.
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http://www.bbc.co.uk/news/science-environment-21033078
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January 7, 2013
Mohenjo
Medical
aviation, bbc, bbc news, business, cells naturally occur in small numbers, cells that can attack cancer and HIV, current-events, Future, gaming, grown in the lab, Health, medicine, mental-health, potentially be used to fight disease, research, Science, Science News, technology, transportation, travel, turbo-charge the immune system, vacation, videogames, white blood cell, white blood cell known as a cytotoxic T-cell, white blood cells
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Vast numbers of cells that can attack cancer and HIV have been grown in the lab, and could potentially be used to fight disease.
The cells naturally occur in small numbers, but it is hoped injecting huge quantities back into a patient could turbo-charge the immune system.
The Japanese research is published in the journal Cell Stem Cell.
Experts said the results had exciting potential, but any therapy would need to be shown to be safe.
The researchers concentrated on a type of white blood cell known as a cytotoxic T-cell, which can recognise telltale markings of infection or cancer on the surfaces of cells. If a marking is recognised, it launches an attack.
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Two white blood cells attacking a cancer
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http://www.bbc.co.uk/news/health-20898931
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January 7, 2013
Mohenjo
Medical
bbc, bbc news, become blind, blind mice, business, degenerative eye disease, gaming, gradually lose light-sensing cells, Health, light sensing cells, medicine, mental-health, night-blind mice, quality of vision restored, research, retina, retinitis pigmentosa, Science, Science News, technology, travel, UK researchers, vacation, videogames, www bbc co uk
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The team in Oxford said their studies closely resemble the treatments that would be needed in people with degenerative eye disease.
Similar results have already been achieved with night-blind mice.
Experts said the field was advancing rapidly, but there were still questions about the quality of vision restored.
Patients with retinitis pigmentosa gradually lose light-sensing cells from the retina and can become blind.
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Totally blind mice have had their sight restored by injections of light-sensing cells into the eye, UK researchers report.
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http://www.bbc.co.uk/news/health-20898935
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