Add BrightSurf on Google Email

Science News Archive March 2011 - Page 7


Page 7 of 28

Inadequate diet can lead to anemia in postmenopausal women

A new study published in the Journal of the American Dietetic Association found that inadequate nutrition is a significant risk factor for anemia in postmenopausal women. The study, which analyzed data from over 72,000 women, found that deficiencies in multiple nutrients were associated with a higher risk of persistent anemia.

SourceElsevier Health Sciences·JournalJournal of the American Dietetic Association·DateMar 25, 2011

FDA considers new rules to speed up confirmatory trials of drugs granted accelerated approval

The FDA is considering new rules to speed up confirmatory trials of drugs granted accelerated approval, following a review that found six indications remained on the market without confirmation. The median time between accelerated and regular approval was 3.9 years, with some drugs remaining on the market for over 10 years.

SourceJournal of the National Cancer Institute·JournalJNCI Journal of the National Cancer Institute·DateMar 25, 2011

Study finds weight training safe for pregnant women

A University of Georgia study found a supervised, low-to-moderate intensity weight-lifting exercise program to be safe and beneficial for pregnant women. The research showed that participants increased their strength without experiencing musculoskeletal injuries or significant changes in blood pressure.

SourceUniversity of Georgia·JournalJournal of Physical Activity and Health·DateMar 25, 2011

AACR honors eminent researchers

The American Association for Cancer Research (AACR) is honoring two renowned cancer researchers, Helen Blau and Nathanael Gray, for their groundbreaking contributions to the field. Helen Blau's work on regenerative medicine and cellular plasticity has led to new approaches in modeling diseases and regenerating damaged tissues.

Exploding stars and stripes

A pattern of X-ray 'stripes' in the Tycho supernova remnant supports a theory on how magnetic fields amplify near expanding shock waves, accelerating particles to extreme energies. The discovery may provide direct evidence for the production of cosmic rays.

SourceRutgers University·JournalThe Astrophysical Journal Letters·DateMar 24, 2011

Micro-RNA's contribute to risk for panic disorder

Researchers found that four microRNAs (miR-22, miR-138-2, miR-148a, and miR-488) are associated with panic disorder, regulating genes related to anxiety pathways in the brain. The study suggests a coordinated involvement of multiple risk genes, implying the existence of molecular 'switches' that control gene function.

SourceElsevier·JournalBiological Psychiatry·DateMar 24, 2011

Eye movement differs in British and Chinese populations

Researchers found a rare eye movement pattern more common in healthy Chinese individuals than in British participants, challenging the assumption that this pattern is only indicative of underlying neurological issues. This discovery could indicate subtle cultural or genetic influences on brain function, warranting further investigation.

SourceUniversity of Liverpool·JournalExperimental Brain Research·DateMar 24, 2011

Just 6 months of hormone therapy doubles survival chances when added to radiotherapy in patients with locally advanced prostate cancer

A new study found that combining 6 months of hormone therapy with radiotherapy significantly improved survival rates for men with locally advanced prostate cancer. The treatment reduced the risk of death from prostate cancer by half and deaths from any cause by a third compared to radiation alone.

SourceThe Lancet_DELETED·JournalThe Lancet Oncology·DateMar 24, 2011

NeuroImage: Multiplexing in the visual brain

Researchers at Ruhr-University Bochum successfully visualized distinct activity patterns overlaid in primary visual cortex, indicating simultaneous encoding of object orientation and motion direction speed. This breakthrough demonstrates the brain's ability to process multiple visual cues simultaneously.

SourceRuhr-University Bochum·JournalNeuroImage·DateMar 24, 2011

ICUROS study finds international variations in quality of life loss after fracture

A recent study published in Osteoporosis International found substantial initial quality of life loss following osteoporotic fractures, particularly for hip and vertebral fractures. The study, part of the ICUROS international patient-based study, identified significant variations in quality of life loss between countries.

SourceInternational Osteoporosis Foundation·JournalOsteoporosis International·DateMar 24, 2011

Bats keep separate households

Researchers found that males and females use different foraging grounds, with females relying heavily on lake shores and males using a broader range of resources. The study suggests that conservation efforts should prioritize female needs and account for sex-specific habitat use in monitoring efforts.

SourceMax-Planck-Gesellschaft·JournalAnimal Conservation·DateMar 24, 2011