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Functional magnetic resonance imaging better than polygraph to find liars

Traditional polygraph tests to determine whether someone is lying may take a back seat to functional magnetic resonance imaging (fMRI), according to a study appearing in the February issue of Radiology.

21 Feb 2006

New device to boost supply and quality of blood platelets

Cancer and open-heart surgery patients, disaster victims, organ or bone marrow transplant recipients, and others who require life-saving blood platelet transfusions will benefit from equipment invented by a researcher at the University of British Columbia's Centre for Blood Research (CBR).

21 Feb 2006

Lung-volume reduction surgery is a good option for many patients with end-stage emphysema

Tens of thousands of Americans living with emphysema would benefit from a surgical procedure that removes part of the lung, according to national research presented by a Saint Louis University cardiothoracic surgeon.

21 Feb 2006

Oddly shaped DNA can cause DNA breaks in mammalian cells

When otherwise normal DNA adopts an unusual shape called Z-DNA, it can lead to the kind of genetic instability associated with cancers such as leukemia and lymphoma, according to a study by researchers at The University of Texas M. D. Anderson Cancer Center.

21 Feb 2006

Headache and migraine in primary care

Family doctors are almost twice as likely to prescribe drugs to middle aged women with headache as they are to men of the same age, reveals research in the Journal of Neurology Neurosurgery and Psychiatry.

21 Feb 2006

Education and rates of cognitive decline in incident Alzheimer's disease

High levels of education may help ward off Alzheimer's disease, but they also speed up its progression once developed, reveals research in the Journal of Neurology Neurosurgery and Psychiatry.

21 Feb 2006

$Calcium and Vitamin D helps reduce risk of hip fractures in older women$

Calcium and Vitamin D helps reduce risk of hip fractures in older women

Taking calcium and Vitamin D slightly decreased the risk of hip fractures in older women, but not the risk for other types of fractures or for colorectal cancer, according to the latest findings from the federally funded Women's Health Initiative. Additionally, the supplements slightly increased the incidence of kidney stones.

21 Feb 2006

Researchers show that linguistic rules are processed in two phylogenetically different brain regions

Researchers found that simple language structures are processed in an area that is phylogenetically older, and which apes also possess. Complicated structures, by contrast, activate processes in a comparatively younger area which only exists in a more highly evolved species: humans.

21 Feb 2006

Lifetime calorie restraint to prevent obesity is the most powerful way to reduce age-related health problems

University of South Florida researcher Barbara Hansen, PhD, will likely never be invited to talk about weight loss on Oprah. Her message is mundanely common sense, not faddish - she doesn't drop phrases like "low carb," or "low fat," or "geared to your body type" or "put your body into fat-burning mode."

20 Feb 2006

Potential new drug for treating all forms of tuberculosis

An experimental tuberculosis drug may be effective against not only multi drug-resistant forms of the disease but could also be the first compound to treat the latent stage of infection as well. Researchers reported their results at the 2006 ASM Biodefense Research Meeting.

20 Feb 2006

Interleukin-15 encourages CD8+ T cells to proliferate and reduces their tolerance to tumor antigens

Certain types of white blood cells assist the body in destroying cancerous tumors. Among these are CD8+ T cells. The T is for thymus, the gland near the base of the throat that both raises up and weeds out blood cells involved in immune responses.

20 Feb 2006

Nicotine patch and group support may be the best combination for helping women in public housing to stop smoking

This strategy helped nearly 50 percent of women smokers in an Augusta public housing unit quit smoking by the end of a six-week program while less than 8 percent of women in a comparison group had kicked the habit, says Dr. Jeanette Andrews, nursing professor at the Medical College of Georgia and principal investigator

20 Feb 2006

Antidepressants may affect fetus

A University of California, San Diego (UCSD) School of Medicine collaborative study with Boston University's Slone Epidemiology Center found an increased risk of persistent pulmonary hypertension (PPHN) in newborns of mothers who used certain commonly prescribed antidepressants in late pregnancy.

20 Feb 2006

New system accurately predicts mortality of older Americans

Researchers at the San Francisco VA Medical Center have created an index that is 81 percent accurate in predicting the likelihood of death within four years for people 50 and older.

20 Feb 2006

Glaucoma set to reach 80 million by 2020

The global toll of the disabling eye disease glaucoma is set to reach 60 million by 2010, rising to almost 80 million by 2020, finds research in the British Journal of Ophthalmology.

20 Feb 2006

Comprehensive schooling is neither less nor more effective at promoting social mobility than a selective system

Current debate about the UK government's proposed education reforms may be based on a false premise. Recent research suggests that education policy by itself contributes little to the rate at which people move between social classes, according to a new study funded by the Economic and Social Research Council (ESRC).

20 Feb 2006