Researchers identify new genetic marker for breast cancer
Mar 03, 2008 |
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An international group of investigators led by scientists at Memorial Sloan-Kettering Cancer Center (MSKCC) and the National Cancer Institute has identified a new genetic marker of risk for breast cancer. Women with this ...
Toxins in cigarette smoke prevent stem cells from becoming cartilage
Mar 03, 2008 |
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A toxic pollutant spread by oil spills, forest fires and car exhaust is also present in cigarette smoke, and may represent a second way in which smoking delays bone healing, according to research presented today at the annual ...
Ohio 'paper' vote system debuting with flaws, researchers say
Mar 03, 2008 |
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The new voting system that Cleveland and its suburbs will use in tomorrow's primary election has serious flaws that risk greater voter error, say members of a research team from the Universities of Maryland, Rochester and ...
Northern right whales head south to give birth, leave genetic 'fingerprints' with NOAA researchers
Biology /
Mar 03, 2008 |
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Like many northerners who head south to warmer climates for the winter, many Northern right whales also head south in November and stay into April. Their destination is the only known calving ground for this rare and endangered ...
Rare syndrome provides clues on obesity, blood pressure
Mar 03, 2008 |
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University of Iowa researchers have found a clue about how resistance to the hormone leptin might disrupt the brain signals that tell the body when to stop eating. The research, which focused on the rare genetic disorder ...
How the drug isotretinoin zaps acne
Mar 03, 2008 |
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The most potent drug available for the treatment of acne is 13-cis retinoic acid (13-cis RA; also known as isotretinoin); however, little is known about the mechanism by which it acts.
Viruses evolve to play by host rules
Biology /
Mar 03, 2008 |
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Biologists at the University of Pennsylvania and Harvard University have examined the complete genomes of viruses that infect the bacteria E. coli, P. aeruginosa and L. lactis and have found that many of these viral genomes ...
MIT's smart pillbox targets TB
Mar 03, 2008 |
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Tuberculosis has long been eradicated from the world's industrialized nations but continues to take a terrible toll in a few poor, rural regions of Asia and Africa. Every year, 10 million new cases are diagnosed and two million ...
Low testosterone levels associated with depression in older men
Mar 03, 2008 |
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Older men with lower free testosterone levels in their blood appear to have higher prevalence of depression, according to a report in the March issue of Archives of General Psychiatry.
Restricting kids' video time reduces obesity, randomized trial shows
Mar 03, 2008 |
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Entrenched sedentary behavior such as watching television and playing computer video games has been the bane for years of parents of overweight children and physicians trying to help those children lose pounds.
Research indicates testosterone could guard against eating disorders
Mar 03, 2008 |
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Testosterone appears to protect people against eating disorders, providing further evidence that biological factors -- and not just social influences -- are linked to anorexia and bulimia, according to new research findings ...
Biological electron transfer captured in real time
Biology /
Mar 03, 2008 |
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Two research teams led by Dr. Michael Verkhovsky and Prof. Mårten Wikström of the Institute of Biotechnology of the University of Helsinki have for the first time succeeded in monitoring electron transfer by Complex I in ...
Elevated liver enzymes associated with higher future mortality
Mar 03, 2008 |
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A new population-based epidemiological study has found that elevated liver enzymes discovered during routine medical care are associated with higher future mortality. The findings are in the March issue of Hepatology, a jour ...
New test for joint infection could spare some patients an unnecessary procedure
Mar 03, 2008 |
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A potential diagnostic test that could help surgeons confirm or rule out the presence of infection-causing bacteria in prosthetic joints that require surgical revision has been developed by researchers at the National Institute ...
Cutting screen time may help reduce overweight children's BMI
Mar 03, 2008 |
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Using a monitoring device to reduce television viewing and computer use time by 50 percent over a two-year period appears to reduce calorie intake, sedentary behavior and body mass index in overweight children age 4 to 7, ...
