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Tag: "months" at biology news

An elephant tail

...s found: "The VINTAGE MI study demonstrated that 6 months of L-arginine added to standard postinfarct medications did not reduce noninvasive measures of vascular stiffness, improve ejection fraction, or improve clinical outcomes. To the contrary, we noted a possible increased risk of death in older patients...

Underwater listening devices yield discoveries about endangered large whales

...gigabytes of data. This allows them to operate for months at a time before they are recovered and the data accessed. Acoustic surveys using the devices have been conducted in the Gulf of Alaska, the southeastern Bering Sea, and the western Beaufort Sea, and have already yielded surprising discoveries about ...

A case of mistaken molecular identity

...le can develop heart and gastrointestinal problems months or years after being infected. Some 30,000 people die each year from Chagas disease, according to the World Health Organization, but the number of people who are carrying latent infections is unknown. "We now know that Chagas patients may have trou...

Suicide risk does not increase when adults start using antidepressants, study finds

...sants, there were 31 completed suicides in the six months following the antidepressant prescription. That ra... researchers found that the rate for the first six months of antidepressant treatment was 314 attempts per 100,000 in teens and 78 attempts per 100,000 in adu...

Nanopore method could revolutionize genome sequencing

...se sequencing a person's genome would take several months and millions of dollars with current DNA sequencing technology, the researchers say that the new method has the potential to usher in a revolution in medicine. "Current DNA sequencing methods are too slow and expensive for it to be realistic to se...

Wisconsin scientists grow two new stem cell lines in animal cell-free culture

... stem cell lines have survived for more than seven months in the new culture medium. Thomson says one of the new lines had an abnormal chromosome at four months, while the second line initially was normal but developed an abnormality by seven months. In addition to testing the new stem cell culture medi...

Thinner and younger

...te University in Baton Rouge is reporting that six months of calorie restriction reduces two key markers of ...hrough exercise by a like amount, or had spent six months on a standard low-calorie diet of about 1,800 to 2,000 calories per day until they had lost 15 perce...

Anti-inflammatory drug's potentially deadly side effect found to be rare

... fatalities linked to natalizumab. "It takes two months or more for the drug's effects to stop, but if PML...ase that normally progresses to death within a few months unless we can reverse the immune suppression." MS is an autoimmune disease believed to result from...

Predicting successful outcomes in living-donor liver transplants

...n in 22 donors and their recipients in the first 3 months following LDLT. They found that ICG elimination and GEC remained significantly altered in donors and improved significantly in recipients during that period, while lidocaine elimination showed no significant changes. "In this study we evaluated only ...

Mystery solved: Gold's power against autoimmune diseases defined

...une diseases such as Lupus, but treatment can take months for action and sometimes presents severe side effects which have diminished their use in recent years. With this new understanding of how these metals function, it may now be possible to develop a new generation of gold-based drugs for treating rheu...

Tetracycline plus teeth equal gray smile

...s," says Dr. Capehart. He now comes back every six months for a regular cleaning and then uses the whitening trays once a year to maintain their new color. "Although tetracycline is no longer widely prescribed today, parents need to be aware that other drugs can stain their children's teeth, such as chlorte...

With cochlear implants, earlier use leads to better speech

...hlear implant that partially restored hearing nine months earlier. That's the most complex speech the child ...hild of the same age who had a cochlear implant 31 months earlier made more sophisticated statements: "OK, now the people goes to stand there with that noise ...

Tramiprosate (Alzhemed? preclinical results published in Neurobiology of Aging

...a. To date, 600 patients have already completed 12 months on study medication and the trial is scheduled to be completed by January 2007. All patients who complete the North American Phase III clinical trial will be offered the opportunity to receive tramiprosate (Alzhemed? in an open-label extension study....

Epidemic of unneeded amputations

...ding day with a walker and a prosthetic limb. Six months after his first amputation, he experienced similar symptoms in his right leg and decided to aggressively pursue amputation alternatives to avoid having to live in a wheelchair. He was referred to Dr. Walker, who was able to save Sevante's leg with CL...

In-home sensors spot dementia signs in elderly

... that most clinic visits by elders are spaced over months or even years, and their memory and motor skills performances are evaluated in a small number of tests completed in a limited amount of time. "In contrast, we're looking continuously at elders' activity in their own homes," Hayes said. "Since we're...

New tool tracks brain development in babies

...sor images. The procedure was repeated after three months to monitor the development of the injured regions.... disturbed patterns in the corona radiata at three months had major motor problems. "Minor white matter abnormalities seen with fiber tracking tended to reso...

Production of key Alzheimer's protein monitored for first time in humans

...ance of patients receiving the treatment over many months or years. "This new test could let us directly monitor patients in clinical trials to see if the drug is really doing what we want it to do in terms of Abeta metabolism," Bateman says. "If further study confirms the validity of our test, it could b...

Radiation-armed robot rapidly destroys human lung tumors

...icated lung tumors in some human patients just 3-4 months after treatment, medical physicist Cihat Ozhasoglu, Ph.D. of the University of Pittsburgh Medical Center will report in early August at the 48th Annual Meeting of the American Association of Physicists in Medicine in Orlando. Although it is too earl...

Mechanism identified for promising neurological drug

...cal trials where people are taking minocycline for months at a time, I think that investigators need to take this into consideration ?although for someone with a serious neurodegenerative disease like ALS, it could be a reasonable tradeoff. But you want to have your eyes open." Another implication has to d...

MIT 'seeing machine' offers hope to blind

...it!" she said. "That was the first time in several months that I'd seen a word, and for a poet that's an incredible feeling." She went on to use the device for many other visual experiences. For example, she developed a "visual language" consisting of short words that incorporate graphics and symbols that ...

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