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Virulence Increases With Rapid Evolution of Diseases

A novel disease in songbirds has rapidly evolved to become more harmful to its host on at least two separate occasions in just two decades, researchers are reporting. The research provides a real-life model to help understand how diseases that threaten humans can be expected to change in virulence as they emerge. Disease virulence is something of a paradox. In order to spread, viruses and bacteria have to reproduce in great numbers. But as their numbers ...

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Ability to Learn Patterns Influences Picking Up of Second Language

Learning to understand and read a second language may be driven by our ability to pick up on statistical regularities, says a new study. This may explain why some people tend to pick up a second language with relative ease, while others have a much more difficult time. Some research suggests that learning a second language draws on capacities that are language-specific, while other research suggests that it reflects a more general capacity for learning ...

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Genetic Marker for Sporadic Breast Cancer Identified by U of A Medical Researchers

A genetic marker for sporadic breast cancer has been identified by medical researchers at the University of Alberta. Researchers have identified many genetic markers for familial breast cancers, but not for sporadic breast cancer which accounts for 80 per cent of all cases. Sambasivarao Damaraju, a professor with the Faculty of Medicine (and) Dentistry and a researcher at the Cross Cancer Institute, worked with his team to scan the DNA of about 7,200 Alberta women, including ...

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Lake forest health and fitness http://healthandfitness1blog.blogspot.com/2013/06/genetic-marker-for-sporadic-breast.html

Faster Spinal Anesthesia for Cancer Patients at End of Life Via New Technique

A study in the June issue of iAnesthesia (and) Analgesia/i says that a new approach to calculating initial dosage may allow a quicker start of spinal analgesia in patients with uncontrolled pain from terminal cancer. Led by Dr Vivek Tim Malhotra of Memorial Sloan Kettering Cancer Center, New York, the researchers developed a set of equations for estimating the initial dose of intrathecal spinal pain relievers, thus avoiding the need for a trial period of epidural ...