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Science News Archive 2005 - Page 139


Page 139 of 165

Cognitive behavioral therapy and medication is effective in the treatment of panic disorder

A randomized controlled trial found that combining cognitive-behavioral therapy (CBT) with medication significantly improved treatment outcomes for patients with panic disorder. Patients receiving CBT and medication had higher remission rates and greater improvements in mental health functioning compared to those receiving usual care.

SourceJAMA Network·JournalArchives of General Psychiatry·DateMar 7, 2005

Study: Two brain systems regulate how we call for help

Research reveals that two brain systems, amygdala and right prefrontal cortex, play a crucial role in determining an individual's behavior and emotional expression when seeking help. The study found that animals with more secure relationships had increased activity in the right prefrontal cortex and decreased amygdala activity, while t...

SourceUniversity of Wisconsin-Madison·JournalProceedings of the National Academy of Sciences·DateMar 7, 2005

Basis for DNA ejection from single phage particles

Phage nucleic acid transport poses a fascinating biophysical problem. Researchers used fluorescently labeled phage DNA to investigate the dynamics of DNA ejection from single phages, demonstrating that release is not an all-or-none process but rather a complex and stepwise process.

SourceCell Press·JournalCurrent Biology·DateMar 7, 2005

New drugs for bad bugs

University of Florida researchers have developed a patent-pending method to improve antibiotic development, combining testing of various drug concentrations at the site of infection with laboratory analyses and mathematical models. This approach aims to reduce the lengthy and expensive trial-and-error process that can take years.

Galaxies in motion

An international team of astronomers has measured the motion of an entire galaxy in the sky using radio telescopes. The measurements show that the galaxy moves at a speed of 190 km/s relative to our Milky Way towards the Andromeda galaxy, and provide insights into the history and future evolution of the Milky Way.

SourceMax-Planck-Gesellschaft·JournalScience·DateMar 4, 2005

Surf's up in the solar nebula

Scientists have long puzzled over the origin of chondrules, glassy particles found in meteorites that formed in the solar nebula. New calculations suggest that spiral arms in the disk surrounding Jupiter may have generated shock waves that melted dust clumps to form these particles.

SourceIndiana University·JournalThe Astrophysical Journal Letters·DateMar 3, 2005

Orthodontists must brace against back pain

A new study published in Clinical Biomechanics reveals that orthodontists are at risk of musculoskeletal disorders due to prolonged sitting and repetitive tasks, with males bearing heavier loads than females. The research highlights the need for better work layout and equipment design to mitigate this risk.

SourceUniversity of Alberta·JournalClinical Biomechanics·DateMar 3, 2005

New ways to ease liver disease

Research reveals that IL-6 activates a pathway in liver cells that triggers protection against hepatitis and immune-mediated liver damage. Two proteins, KC and SAA2, play a crucial role in this protective effect.

SourceJCI Journals·JournalJournal of Clinical Investigation·DateMar 3, 2005

A shallow hip socket predicts osteoarthritis of the hip

A long-term study of 835 participants found moderate acetabular dysplasia to be a strong independent risk factor for hip OA. Women with acetabular dysplasia had a higher incidence and severity of hip OA, especially those with high-stress workloads and low BMI.

SourceWiley·JournalArthritis & Rheumatism·DateMar 3, 2005