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Science News Archive April 2009 - Page 24


Page 24 of 24

Medication may improve portal hypertension

A study found that sorafenib dramatically improved the condition of rats with portal hypertension, reducing new blood vessel growth and improving liver function. The results suggest that sorafenib may be an effective therapeutic agent for treating advanced portal hypertension.

SourceWiley·JournalHepatology·DateApr 1, 2009

Health benefits, consequences of folic acid dependent on circumstances

Research suggests that folate intake can have dual positive and negative effects, with adequate intake offering protection against cancer but excessive amounts facilitating tumor growth. The optimal level of folate intake varies depending on the individual's specific circumstances, highlighting the need for tailored guidelines.

SourceWiley·JournalNutrition Reviews·DateApr 1, 2009

Accurate assessment of heart disease leads to earlier, more aggressive therapy

A study published in the Journal of Nuclear Medicine found that myocardial perfusion testing with gated single photon emission computed tomography (gated SPECT) is a more accurate predictor of prognosis in chronic ischemic heart disease. Gated SPECT identified individuals at risk for future cardiac events, enabling early initiation of ...

SourceSociety of Nuclear Medicine and Molecular Imaging·JournalJournal of Nuclear Medicine·DateApr 1, 2009

April Geosphere media highlights

Scientists investigate possible tectonic cycling of serpentized peridotites in the Mariana forearc, connect Saddle Mountain and Seattle faults, and improve fractured carbonate-reservoir characterization with remote sensing. Seismic reflection profiles also define Grenville-age rift system and foreland basins beneath Phanerozoic sediments.

SourceGeological Society of America·JournalGeosphere·DateApr 1, 2009

Dealing with dwarfism

Early diagnosis and treatment of achondroplasia's manifestations can produce better outcomes for patients later in life. This includes addressing stenosis of the foramen magnum and thoracolumbar kyphosis, which can cause developmental delays and spinal deformities.

SourceAmerican Academy of Orthopaedic Surgeons·JournalJournal of the American Academy of Orthopaedic Surgeons·DateApr 1, 2009

Light reveals breast tumor oxygen status

Duke University researchers developed a light-based system to analyze tumor oxygen levels, helping oncologists choose effective treatments. The system uses diffuse reflectance spectroscopy and can provide immediate feedback during biopsies.

SourceDuke University·JournalCancer Research·DateApr 1, 2009

How probiotics can prevent disease

Researchers used probiotics to protect animals from diseases such as mastitis and salmonellosis, demonstrating their potential to prevent and treat human diseases. The study identified specific bacterial species and mechanisms of action that could lead to the development of new treatments.

Suppressing the compulsion to steal

Researchers found that naltrexone, an opiate receptor blocker, reduced the urges to steal and stealing behavior in individuals with kleptomania after eight weeks of treatment. The study suggests a potential link between kleptomania and substance addictions, highlighting the drug's efficacy in treating impulse control disorders.

SourceElsevier·JournalBiological Psychiatry·DateApr 1, 2009