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Tag: "unclear" at medical news

Advanced Cancer Patients Have Sleep Disorders

...o may be a risk factor for poor sleep. "While it's unclear what definitively causes cancer patients to have trouble sleeping and staying awake, demographic factors and the type of cancer may be contributing factors," says Dr. Parker, Emory Nell Hodgson Woodruff School of Nursing professor, co-director of the...

World Epilepsy Week - 2007

... result of their epilepsy and its treatment. It is unclear whether problems with these abilities are due to the structure of the epileptic brain, the effect of continuing to have seizures or the side effects of anti-epileptic medication. Ketogenic diet for Epilepsy Prevention : Studies have shown that so...

Pediatric Use of ADHD Drug may Affect Developing Brain

...ys. "We're concerned about longer-term use. It's unclear from this study whether Ritalin might leave more lasting changes, especially if treatment were to continue for years. In that case, it is possible that chronic use of the drug would alter brain chemistry and behavior well into adulthood," she adds....

Blood Transfusions Does Not Increase the Risk of Cancer Transmission

...ous agents is well established, it has so far been unclear whether blood donation may also result in the transfer of chronic diseases like cancer. Some of the theories suggest that even if a tumour is too small to be detected, it will shed millions of cells into the circulation every day that may have the...

Reducing Smoking - Mixed Messages and Latest Findings

...ods aimed at helping people reduce use. It is also unclear whether cutting down the number of cigarettes delivers clear health benefits. The main effort in therapies aimed at smokers has been at helping them to stop smoking completely. Little attention has been given to the idea of helping them reduce their...

Anticoagulants is Better for Atrial Fibrillation

... is clear that both drugs can bring benefit, it is unclear at what point a person should start to take them. The threshold of benefit that would warrant anticoagulation remains controversial and depends on patient preferences and availability of optimal anticoagulation monitoring, says Aguilar. Contact: ...

US FDA may Be Asked to Monitor Toxic Levels of Cigarettes

... and smoke that worry scientists, even though it's unclear just how beneficial removing or reducing their levels would be. They include: _Nitrosamines, a potent carcinogen. The burley tobacco used in American cigarettes is especially high in nitrosamines. _Acetaldehyde, a potential carcinogen that may ma...

Poor Short Term Recovery from Knee Surgery in Women

...owing surgery. The investigators say that it is unclear exactly how female gender complicates surgical recovery. Fabricant notes that there are gender differences both in surgical outcome and possibly in the biomechanics resulting in how the knee was initially injured. Even before surgery, women typically...

Daily Antibiotics may Not Prevent Future Urinary Tract Infections Risk in Kids

...diatricians to discuss with families the risks and unclear benefits of daily preventive antibiotic treatment after a child has had a first UTI," he said. The study is published in the July 11 issue of the Journal of the American Medical Association....

Polyclinics Could Threaten NHS Services, Warns BMA

...alth services in London are long overdue but it is unclear how the latest proposals announced by London Strategic Health Authority, would improve patient care in the capital , BMA leaders claim. Dr Tiz North, chairman of the BMAs London Regional Council, said: There is a case for changing how some services ...

Ice Bath by Sports Star Questioned

...atment. The nature of this effect of ice is still unclear and needs further research. John Brewer, Director of the Lucozade Sports Science Academy, said he did not find it surprising that there was no difference between the two samples. "I don't find it hard to believe that the ice doesn't have any long...

Visual Impairment Linked to Greater Mortality Risk

...of death from any cause," they added. It remains unclear whether there is a direct or indirect link between visual impairment and death or if another factor not measured in this study affected the results, the authors note. "The implications of these findings also remain uncertain: whether such an assoc...

Indonesia Confirms 81st Bird Flu Death

...tely transferred to Jakarta. Ningrum said it was unclear whether the victim had come into contact with dead or infected poultry. Contact with infected birds is the most common form of transmission of the deadly virus to humans, experts say. The UN health agency said last month that though the fight again...

High-risk Patients Need Better Guidance on What is and Isnt a Heart Attack

...patients at high-risk of having a heart attack are unclear about when symptoms are potentially life threatening and when they should call an ambulance , argue a group of heart specialists in this weeks BMJ. At least 70% of people who die from coronary heart disease have had previous heart problems. Yet r...

Overdose of Paracetamol was Dropped

... up of 13% accidental cases and 2% homicides or of unclear intent. Accidental overdoses fell between 1995 and 2002, but then began to rise again. Over 100 products are available over the counter, sometimes containing relatively large amounts of acetaminophen. The authors suggest that lack of patient and ph...

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