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Tag: "sick" at biology news

How 'memory' T cells curb the spread of viruses throughout the body

...pread of an invading virus occurs. After becoming sick from many viruses, the body becomes “immune” (protected) from recurrence of the same disease. This is why before vaccines were developed, childhood diseases such as measles and mumps occurred only once in a lifetime. The immunity occurs when the im...

Smoking rate has plummeted in New York City

...ain, lungs and arteries, showing testimonials from sick and dying smokers and their children, including former smoker Ronaldo Martinez, who now breaths through a hole in his throat as a result of smoking-related cancer. In a separate recent survey, nine out of 10 smokers said they saw the ads -- and half ...

Percutaneous aortic valve replacement safe, successful in high-risk patients

... narrowed, calcified aortic valves in patients too sick to withstand open-chest surgery. According to a study reported at the 30th Annual Scientific Sessions of the Society for Cardiovascular Angiography and Interventions (SCAI), May 9?2, 2007, in Orlando, FL, patients who were treated with the CoreValve ...

Sleepless for science: Flies show link between sleep, immune system in Stanford study

...ness and sleep disruption may be a two-way street: sick flies can't sleep, and losing sleep makes them mor...2 hours of low activity. The researchers found the sick flies had fewer sleep sessions and shorter periods of continuous sleep than did healthy flies. They ...

NT researchers discover breakthrough in malaria treatment

...remain at risk of further infections, from getting sick again within 6 weeks. This "post treatment prophylaxis" is similar to the approach of giving travelers regular medication to protect them from infection, but can be applied opportunistically to people at high risk of infection in poor tropical commu...

Study identifies risk factors for spread of respiratory infections in hospitals

...ing infection. Health care staff working while sick are an obvious source of infection. This study found that hospitals could reduce the risk of outbreaks by providing staff with hand-washing, showering, and changing facilities. The use of oxygen therapy, including both the use of high flow rate o...

UCLA/Toronto researchers unlock key to memory storage in brain

...to guide memories into healthy cells and away from sick cells in dying regions of the brain." Our memories define who we are, so learning how the brain stores memory is fundamental to understanding what it is to be human, Silva observed. "A memory is not a static snapshot," he said. "Memories ser...

Army research mission focused on autism

...marks but after his first birthday he seemed to be sick all of the time, with infection after infection. He stopped eating and was no longer happy and playful. By 17 months he had stopped talking, interacting, or even looking at us anymore; he was in his own little world. At four years old, he had no lang...

Plastic that degrades in seawater could be boon for cruise industry and others

...y costs associated with preterm birth and having a sick baby or child, treatment with nitroglycerin may result in major cost saving and longer-term health benefits for these babies." In an accompanying editorial, Associate Editor Jay D. Iams, MD, writes about the study, "Their work is notable not only ...

Improving outcomes in premature births

...y costs associated with preterm birth and having a sick baby or child, treatment with nitroglycerin may result in major cost saving and longer-term health benefits for these babies." In an accompanying editorial, Associate Editor Jay D. Iams, MD, writes about the study, "Their work is notable not only ...

Study IDs protein that inhibits HIV from growing in cell cultures

...ating around in a lot of people does not make them sick but could significantly influence survival in people with HIV?" ...

Telemedicine robots help improve health

...e wireless robots can be wheeled to the bedside of sick children for video-link consultations with Brisban... established via the Centre for Online Health, the sick child can see their Brisbane specialist on the robot's television–like screen. A built-in camera and...

Pattern of human Ebola outbreaks linked to wildlife and climate

...e Ebola virus, but at 12 sites, observers also saw sick or dying animals with symptoms consistent with Ebola infection. In addition, 16 reported wildlife mortality incidents coincided with known Ebola epidemics. "The transmission of Ebola within animal populations is much more widespread than previ...

Resistance and genetic sensitivity to sleeping sickness

...uency of a mutation is significantly higher in the sick subjects than in the healthy ones, this mutation is associated with an enhanced risk of developing the disease. Conversely, a significantly lower frequency is an expression of a protective effect conferred by the mutation. The two studies conducted...

Friendly bacteria in alcoholic milkshake could fight food allergies

...used to sanitize the air in airplanes and hospital sick bays. ...

Gene chip technology shows potential for identifying life-threatening blood infection

...ressed in immune cells taken from the blood of the sick mice. These profiles were compared with profiles f...rofiles, we could easily distinguish mice who were sick with infection from mice who were really sick but did not have an infection," Cobb says. "We think t...

Microcapsules like it hot and salty

...pumps. Ideally, medicines should only go to the sick regions of the body to prevent side-effects and to be as effective as possible. This requires intelligent transport systems which initially enclose the active substances and then release them at the location where they are to be effective given the p...

Embryo tests give parents the choice

... embryo that would be an immunological match for a sick sibling. It also showed that PGD is not error-free: 21 per cent of clinics interviewed for the study knew of cases where children had been born with diseases that PGD was supposed to eliminate. One reason for this is that all eight cells of the embr...

Hope I die before I get old?

...ue life from adversities like being sick. What the sick learn from being sick, the rest of us come to over time." The new study, she explains, sprang from a desire to see whether the experience that comes with advancing age affects attitudes and predictions about aging. The study was done using an onlin...

Experimental vaccine protects lab animals against several strains of H5N1

...ts. The vaccine protected the ferrets from getting sick when exposed not only to the flu strain from which the vaccine was made, but also two other strains, including a deadly strain labeled A/Vietnam/1203/04. Cross-strain protection is exactly what one would need, as it would protect against newly emerg...

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