Craving hinders comprehension without your realizing it
A new University of Pittsburgh study reveals that craving a cigarette while performing a cognitive task not only increases the chances of a person's mind wandering, but also makes that person less likely to notice when his or her mind has wandered.
West Nile virus infection may persist in kidneys years after initial infection
A new study shows that people who have been infected with West Nile virus may have persistent virus in their kidneys for years after initial infection, potentially leading to kidney problems. The research, which appears in the January 1 issue of The Journal of Infectious Diseases, is now available online . more
Deaths related to narcotic pain relievers have doubled since 1991: Study
Deaths from opioid use in Ontario have doubled—from 13.7 deaths per million residents in 1991 to 27.2 deaths per million residents in 2004—according to a new study led by physicians at St. Michael's Hospital and the Institute for Clinical Evaluative Sciences (ICES) in Toronto. more
Caffeine doesn't reverse the negative cognitive impact of alcohol, study shows
People who drink may want to know that coffee won't sober them up, according to new laboratory research. Instead, a cup of coffee may make it harder for people to realize they're drunk. more
Genetic variations indicate risk of recurrence, secondary cancer among head and neck cancer patients
Eighteen single-point genetic variations indicate risk of recurrence for early-stage head and neck cancer patients and their likelihood of developing a second type of cancer, researchers at The University of Texas M. D. Anderson Cancer Center reported at the American Association for Cancer Research Frontiers in Cancer Prevention Research Conference.
Peptide delivers anti-cancer compounds to where they can do the most good
Researchers at Burnham Institute for Medical Research at University of California, Santa Barbara have identified a peptide (a chain of amino acids) that specifically recognizes and penetrates cancerous tumors but not normal tissues. The peptide was also shown to deliver diagnostic particles and medicines into the tumor. This new peptide, called iRGD, could dramatically enhance both cancer detection and treatment. The work is being published December 8 in the journal Cancer Cell. more
Study shows nearly 1/3 of human genome is involved in gingivitis
Gingivitis, which may affect more than one-half of the U.S. adult population, is a condition commonly attributed to lapses in simple oral hygiene habits. However, a new study shows that development and reversal of gingivitis at the molecular level is apparently much more complicated than its causes might indicate.
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