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Laser goes tubing for faster body-fluid tests

Researchers at the University of Rochester have created a laser-based technique that measures multiple chemicals in body fluids in under 60 seconds, offering non-destructive and fast testing capabilities. The technique uses Raman spectroscopy and low-refractive-index tubes to improve signal strength and accuracy.

SourceUniversity of Rochester·JournalApplied Optics·DateApr 2, 2007

New placenta screening for high-risk pregnancies

Researchers at Mount Sinai Hospital in Toronto have developed a non-invasive screening test to detect placental damage in high-risk pregnancies. The test, which combines ultrasound and blood tests, can identify abnormal placental function at 16-23 weeks gestation, allowing for early intervention and improved pregnancy outcomes.

SourceUniversity of Toronto·JournalAmerican Journal of Obstetrics and Gynecology·DateApr 2, 2007

Ultrasound could help couples undergoing IVF

Researchers developed a new ultrasound-based test that can accurately predict ovarian response and IVF success. The antral follicle count was found to be an effective predictor of egg production, providing a less costly and invasive alternative to current hormone-based tests.

SourceBMC (BioMed Central)·JournalReproductive Biology and Endocrinology·DateMar 14, 2007

RAND study finds walking more likely in neighborhoods with more 4-way intersections

A RAND Corporation study found that neighborhoods with more four-way intersections and diverse businesses encourage walking. However, the impact of these factors on walking is not particularly strong, especially when housing density is low. The study suggests that urban design recommendations can help create walkable communities.

SourceRAND Corporation·JournalAmerican Journal of Preventive Medicine·DateFeb 27, 2007

High rates of latent TB infection found in Russian health workers

A study by Queen Mary College researchers found nearly 40% of doctors in one Russian city had latent TB infection, with rates higher among those working in TB clinics. The study highlights the need for regular occupational health screening to control TB spread and address drug resistance issues.

SourcePLOS·JournalPLOS Medicine·DateFeb 12, 2007

Action video games sharpen vision 20 percent

Researchers at the University of Rochester found that playing action video games for 30 hours per week improved spatial resolution and visual acuity. The study showed significant improvements in identifying letters presented in clutter, even beyond the part of the visual field where players typically engage with the game.

SourceUniversity of Rochester·JournalPsychological Science·DateFeb 6, 2007

Grafts against cancer

A new study has discovered a way to identify cells that will cause graft-versus-host disease (GVHD) in blood cancer patients. This breakthrough allows for more reliable testing of donor T cells and personalized medicine approaches, potentially saving thousands of lives.

SourceUniversity of Montreal·JournalPLOS Medicine·DateFeb 1, 2007

Diagnosis by patterned paper

Researchers at Harvard University developed a new class of rapid tests that can carry out several biological tests simultaneously on a single drop using patterned paper. The tests are highly practical, inexpensive, and unaffected by contamination.

SourceWiley·DateJan 30, 2007

Are one-third of costly implanted heart devices unnecessary? New study suggests yes

A new study found that a large number of patients who receive implantable cardioverter defibrillators (ICDs) do not benefit from the device, while a simple heart-rhythm test can predict which patients will get life-saving benefit. The study suggests that using this test could spare millions of dollars in costs.

SourceMichigan Medicine - University of Michigan·JournalJournal of the American College of Cardiology·DateJan 3, 2007

Symptom screening advances early ovarian cancer detection

A new study reveals that a specific set of symptoms and their frequency/duration can distinguish early ovarian cancer from other causes, making it a potential rapid and cost-effective screening tool. The symptom index was found to be 57% sensitive for early disease and 80% sensitive for advanced cancer.

SourceWiley·JournalCancer·DateDec 11, 2006

Just dive in

Researchers at the University of Illinois developed a rapid diagnostic test for cocaine detection using tiny gold spheres and aptamers. The test strip, which can be used with just a sample dip, accurately identifies cocaine presence and has broad practical application potential.

SourceWiley·DateNov 21, 2006

Chocolate 'offenders' teach science a sweet lesson

A study found that eating small amounts of dark chocolate daily can decrease the tendency of platelets to clot in narrow blood vessels, reducing heart attack risk. Researchers analyzed blood samples from 139 'chocolate offenders' who were excluded from a larger aspirin study and found them to be less reactive than those who abstained.

Studies examine colorectal cancer screening rates

Studies found that colorectal cancer screening rates are increasing among Veterans Affairs patients, while younger veterans with other illnesses may not benefit from screening and may even be harmed. Screening methods include fecal occult blood testing and colonoscopy.

SourceJAMA Network·JournalArchives of Internal Medicine·DateNov 13, 2006