Tag: "assumption" at medical news

Getting older and feeling weaker?

...stresses on the spine and supporting muscles. "The assumption is that reducing fatigue will reduce injury as well as increasing efficiency," he remarks. "Industry is very receptive to this type of research." ...

Breast cancer risk lower than women think; statistics by age, ethnicity give more realistic picture

...emain stable over time. In the short term, such an assumption may hold true, but is not realistic over a long period of time, Morris and colleagues say. Incidence rates of breast cancer are unlikely to remain stable over time because of advances in screening technologies, which lead to more tumors being dete...

Human brain has unsuspected oxygen reserve, challenging previous theories

...ed into blood. But Mintun and colleagues left that assumption out of their equation. We allowed the oxygen model to develop on its own without assuming that oxygen flows in only one direction, says Mintun. That proved to be the critical factor. It turns out that a fair amount of oxygen does go back and forth,...

Landmark dialysis study findings could greatly simplify treatment of kidney disease with peritoneal dialysis

...nnecessarily stopped PD therapy as a result of the assumption that the lower levels of clearance would compromise patient survival. "Although the full global implications of this study still need to be assessed, my colleagues and I now have reassurance that we can prescribe a range of prescriptions tailored ...

Therapy to help women reduce their concerns about gaining weight found to be effective in helping them to stop smoking

...dy, as well as other research, indicates that this assumption is not correct, and that directly reducing the concerns about weight, rather than the weight gain itself, is what will help these women quit smoking. The study, by a research team led by Dr. Kenneth A. Perkins and Dr. Marsha Marcus, is published in...

Practical guidance for treatment of heart failure is launched

...based on a three-step process. It begins with the assumption that a diagnosis of heart failure has been made and diuretic treatment has been initiated. The first step is to confirm the presence of left ventricular systolic dysfunction. The second step entails starting first-line therapy, which consists of an...

Researchers question conventional wisdom on 'mini-strokes'

...a division of the American Heart Association. The assumption that TIAs are simply mild ischemic strokes is widespread and thus, they are often referred to as mini-strokes. TIAs are thought to occur when a blood clot temporarily clogs an artery, blocking blood flow to the brain. The symptoms are the same as f...

Radical solutions needed to address health inequalities

...an women in all categories of care' she adds. 'The assumption that higher rates of hospital care are necessarily a 'good thing' should be revisited. Within an urban setting, the pro-poor bias in levels of hospitalisation may reflect poorer primary and community management suggesting a need for a stronger public...

Parenting News: More than one hour of TV a day may lead to violence, Science study suggests

... 30. The Science study thus contradicts a common assumption that media violence only affects children, say Craig Anderson and Brad Bushman of Iowa State University of Science and Technology, in a related commentary. An unexpected gender difference emerged as the study progressed, with the link between aggress...

Medieval black death not bubonic plague

...knows when it first emerged? We too often make the assumption that while a lot of things change in the interaction of infectious diseases and human hosts, the microbe itself stays more or less the same, says Wood. This is wrong. If anything is likely to change, it is a microbe that goes through millions of gen...

U-M study finds new target in war against graft-versus-host disease

...ys the study calls into question a widely accepted assumption that T cells immune cells which attach to and kill just one target cell at a time are the major cell-killing agents of graft-versus-host disease. Its the difference between a direct attack by ground troops and a general air strike, Ferrara explains...

Despite resources, at-risk infants in US fare no better, researchers find

...l School researchers found, contradicting a common assumption that at-risk infants in the US fare better. Analy...r neonatal services. "This study refutes a common assumption that even though the US has a poor international rank for infant mortality, it has the best birth we...

Dartmouth researchers question use of tobacco funds

...e promise of spiral CT scans. If people accept the assumption of benefit, it will be extremely difficult to recruit patients for the definitive trials needed." They conclude, "The benefits of early detection and the value of screening are intuitively appealing ideas. It would be hard to find a more worthy targ...

Buszaki neuroscience research published in current journals 'Science' & 'Nature'

...s," he added. Buzsaki noted that the old-fashioned assumption about brain development was that the environment imposes its effect by way of inputs, and the inputs determine how the connections are wired. But he said that view no longer holds since "all parents know that drugs that have beneficial effects in adu...

Longer delays associated with better survival

...nt are more likely to survive, despite the popular assumption that delay has a significant and harmful impact on survival, finds a study in this week's BMJ. Researchers collected data from the case notes of 703 women resident in Scotland who were diagnosed between 1 January 1996 and 31 December 1997 as having e...

Testing earlier for gestational diabetes a smarter way to screen pregnant women

... for more in-depth testing. While it is a natural assumption to say that earlier screenings should lead to better outcomes for mother and baby, Nahum said more studies are needed to confirm that. "We don't know how earlier diagnosis of gestational diabetes will impact maternal-fetal outcomes because we didn't ...

Costs for surgical treatment of GERD not offset by savings on medications

...e Boston Scientific Corporation (Natick, MA). "The assumption has been that the one-time cost of surgery is lower than the long-term cost of drugs, but we found that the surgery costs were not offset by the reduction in medication costs during an 18-month follow-up period," said Dr. Sullivan. The symptoms of GE...

New drug may reverse bone loss without estrogens side effects, Science study says

... are effective in preventing osteoporosis. The big assumption was that estrogen worked the same way in all the tissues," said study author Stavros Manolagas of the University of Arkansas for Medical Sciences and Central Arkansas Veterans Health Care System Along with their bone-related benefits, however, estrog...

Multiple characteristics of HAART affect adherence

...al patient. Despite a lack of data, it is a common assumption that QD dosing will improve adherence. Although QD dosing was deemed the most desirable dosing schedule by the individuals surveyed, actual QD regimens currently available were perceived as no more likely to improve adherence than a BID regimen consi...

People who give, live longer: U-M study shows

... noted. "Of course, this possibility relies on the assumption that a motivation for self-preservation can influence mortality. And in fact, there is evidence to suggest that individuals with a 'fighting spirit' survive longer with cancer than individuals who feel helpless or less optimistic about their chances ...

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