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Science News Archive October 2002 - Page 9


Page 9 of 10

Disabled seniors formerly on SSDI hit hardest by drug costs

A recent study by Penn State found that disabled seniors formerly on SSDI spend significantly more on prescription drugs than the rest of the Medicare population. The study discovered that nearly half of these seniors spent 10% or more of their income on medication, highlighting a pressing concern for this vulnerable population.

'Virtual stomach' reveals pill's path

A virtual stomach simulation reveals how pills break down and release medication in the stomach, with key findings including three distinct zones and effects of buoyancy on mixing and drug release. The technology aims to improve extended-release tablet formulations and shed light on diseases involving stomach motility.

Caregiving for spouse prompts women to retire earlier

A new study by Cornell University finds that women who care for spouses are more likely to retire earlier, while men who are caregivers delay their retirement. The study, which analyzed data from over 700 employees and retirees, highlights the significant impact of caregiving on retirement decisions.

SourceCornell University·JournalJournal of Family Issues·DateOct 4, 2002

Rice bioengineers develop method to grow 3-D bone matrix

Researchers at Rice University have developed a technique to create a porous, 3D bony matrix similar to natural bone. The method uses flowing fluids to provide mechanical stimulation, resulting in thicker and more developed mineralized bone compared to static samples.

SourceRice University·JournalProceedings of the National Academy of Sciences·DateOct 3, 2002

Tackling sexual violence

Sexual violence is rooted in gender power inequalities and hierarchical relationships, with prevention efforts extending to health services, education, and social policies. Health professionals play a crucial role in supporting victims and promoting autonomy, bodily integrity, and self-esteem.

SourceThe Lancet_DELETED·JournalThe Lancet·DateOct 3, 2002

Research reveals how an acid dissolves, molecule by molecule

A team of researchers led by A. Welford Castleman Jr. has discovered exactly how an acid compound dissolves molecule by molecule using water molecules as a solvent. The study found that the interaction of four surrounding water molecules with the hydrogen-bromide molecule tips the energy balance, triggering its eventual dissolution.

SourcePenn State·JournalScience·DateOct 3, 2002

American Thoracic Society journal news tips for October (first issue)

A German study found exposure to house dust endotoxin is associated with lower allergic sensitization in school children. Researchers also discovered that females are more sensitive to coughing agents than males. Occupational exposure to dust and fumes is linked to increased respiratory symptoms and asthma risk.

SourceAmerican Thoracic Society·JournalAmerican Journal of Respiratory and Critical Care Medicine·DateOct 3, 2002

The Lancet Oncology press release

The Lancet Oncology editorial discusses the EPA's 10-year report on diesel exhaust fumes' toxic effects, emphasizing public health implications. The article also reviews mathematical models identifying breast cancer risk factors and explores chemoprevention strategies.

SourceThe Lancet_DELETED·JournalThe Lancet Oncology·DateOct 2, 2002

Key sensory proteins unveiled in mosquito genome found by Illinois entomologist

Researchers have identified 276 G protein-coupled receptors in the Anopheles mosquito genome, including 155 external chemosensory receptors that allow female mosquitoes to detect humans and other mammals by taste or smell. The discovery provides a new approach to studying mosquitoes and reducing the spread of malaria and other diseases.