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Monday, October 28, 2013

ScienceDaily: Top Health News

ScienceDaily: Top Health News


Brief exposure to performance-enhancing drugs may be permanently 'remembered' by muscles

Posted: 27 Oct 2013 05:56 PM PDT

Brief exposure to anabolic steroids may have long lasting, possibly permanent, performance-enhancing effects, shows a new study.

Eleven new genetic susceptibility factors for Alzheimer's disease discovered through the largest study

Posted: 27 Oct 2013 03:53 PM PDT

The largest international study ever conducted on Alzheimer's disease (AD), the I-GAP (International Genomics Alzheimer's Project) consortium has identified 11 new regions of the genome involved in the onset of this neurodegenerative disease. This study gives an overview of the molecular mechanisms underlying the disease, opening up to a better understanding of the pathophysiology of AD.

Cell nucleus protein in brown fat cells governs daily control of body temperature

Posted: 27 Oct 2013 03:50 PM PDT

Body temperature follows a 24-hour rhythm, peaking during the day, low at night. The benefit might be the conservation of energy while sleeping. It is also critical to be able to adapt to changes in ambient temperature regardless of the time of day. A new mouse study shows how body temperature rhythms are synchronized while maintaining the ability to adapt to changes in environmental temperature day or night.

Smart neurons: Single neuronal dendrites can perform computations

Posted: 27 Oct 2013 11:06 AM PDT

When you look at the hands of a clock or the streets on a map, your brain is effortlessly performing computations that tell you about the orientation of these objects. New research has shown that these computations can be carried out by the microscopic branches of neurons known as dendrites, which are the receiving elements of neurons.

Novel mutations define two types of bone tumor: Two related genes underlie the development of two rare bone tumors in nearly 100 per cent of patients

Posted: 27 Oct 2013 11:06 AM PDT

Scientists have made a rare discovery that allows them to attribute two types of tumour almost entirely to specific mutations that lie in two related genes.

Stroke prevention surgery less effective than meds, lifestyle change

Posted: 26 Oct 2013 01:49 PM PDT

The final results of a stroke prevention study in patients with narrowed brain arteries confirm earlier findings: Medication plus lifestyle changes are safer and more effective at preventing stroke than a surgical technique called stenting.

Only 11 percent of children involved in bike accidents wear a helmet

Posted: 26 Oct 2013 06:11 AM PDT

Despite a California bike helmet mandate, only 11 percent of Los Angeles County children treated for bike-related injuries were wearing a helmet, according to new research.

Pediatric musculoskeletal MRSA infections on the rise

Posted: 26 Oct 2013 06:11 AM PDT

Pediatric musculoskeletal Staphylococcus aureus bacterial infections have been evolving over the past decade, with more children diagnosed with the more virulent, methicillin-resistant Staphylococcus aureus (MRSA) today than 10 years ago. The result is longer hospitals stays, more surgeries and other related complications, according to new research.

Enzyme restores function with diabetic kidney disease

Posted: 25 Oct 2013 03:56 PM PDT

Researchers say that, while a prevailing theory suggests elevated cellular levels of glucose ultimately result in diabetic kidney disease, the truth may, in fact, be quite the opposite. The findings could fundamentally change understanding of how diabetes-related diseases develop – and how they might be better treated.

Positive personal growth following breast cancer diagnosis

Posted: 25 Oct 2013 12:52 PM PDT

Although being diagnosed with breast cancer is usually an extremely stressful experience for most women, a new study by researchers has found that there also can be unexpected benefits.

Study reveals first effective medicine to treat cocaine dependence

Posted: 25 Oct 2013 08:37 AM PDT

New research reveals that topiramate, a drug approved by the U.S. Food and Drug Administration to treat epilepsy and migraine headaches also could be the first reliable medication to help treat cocaine dependence.

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