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Why don't painkillers work for people with fibromyalgia?
People who have the common chronic pain condition fibromyalgia often report that they don't respond to the types of medication that relieve other people's pain. view more (2007-09-28)
Every patient is unique: Individualized therapies for non-Hodgkin's lymphoma
Positron emission tomography (PET) could be an important tool for identifying non-Hodgkin's lymphoma patients who are likely to respond well to treatment with 90 ibritumomab tiuxetan (IT)-the first radioimmunotherapy treatment approved for use by the U.S. Food and Drug Administration, said researchers at SNM's 55th Annual Meeting. view more (2008-06-17)
World`s most powerful laser used as atom smasher - The Physics Congress 2002
Physicists at Glasgow University are using the world`s most powerful laser beam as an atom smasher to simulate conditions inside the Sun and to produce radioisotopes vital in medicine. Professor Ken Ledingham from the Department of Physics at Glasgow and his colleagues from Imperial College and the Rutherford Appleton Laboratory (RAL) are using... view more... (2002-03-26)
Fluctuations in serotonin transport may explain winter blues
Why do many Canadians get the winter blues? In the first study of its kind in the living human brain, Dr. Jeffrey Meyer and colleagues at the Centre for Addiction and Mental Health (CAMH) have discovered greater levels of serotonin transporter in the brain in winter than in summer. view more (2008-09-09)
A Novel Mechanism of Manganese-Induced Neurological Dysfunction Discovered
For decades, scientists have known that chronic exposure to high concentrations of the metal manganese can cause movement abnormalities resembling symptoms of Parkinson's disease, but apparently without the same neuron damage characteristic of Parkinson's patients. view more (2006-08-29)
PET scans help identify mechanism underlying seasonal mood changes
Brain scans taken at different times of year suggest that the actions of the serotonin transporter-involved in regulating the mood-altering neurotransmitter serotonin-vary by season, according to a report in the September issue of Archives of General Psychiatry, one of the JAMA/Archives journals. view more (2008-09-02)
Non-invasive MRI technique distinguishes between Alzheimer's and frontotemporal dementia
A non-invasive magnetic resonance imaging (MRI) technique called arterial spin labeling is just as accurate as invasive scanning techniques in distinguishing Alzheimer's disease from frontotemporal dementia (FTD) in the brains of elderly people, according to a new study at the San Francisco VA Medical Center (SFVAMC). view more (2005-06-20)
Researchers using Arecibo Telescope discover never-before-seen pulsar blasts in Crab Nebula
Astronomers and physicists using the Cornell-managed Arecibo Telescope in Puerto Rico have discovered radio interpulses from the Crab Nebula pulsar that feature never-before-seen radio emission spectra. This leads scientists to speculate this could be the first cosmic object with a third magnetic pole. view more (2007-01-09)
Genes determine whether sugar pills work
It is a well-known fact in drug trials that individuals can respond just as well to placebos, sugar pills, as to the active drug. view more (2008-12-04)
PET scan shows during treatment if radiation is shrinking lung tumor, U-M study shows
Lung cancer patients may not need to wait till their radiation treatment is over to know if it worked. A PET scan several weeks after starting radiation treatment for lung cancer can indicate whether the tumor will respond to the treatment. view more (2007-07-19)
Predicting PET Imaging's Future: Diagnosing and Treating Diseases ASAP
Imagine a new world of detecting and diagnosing diseases sooner-even before any symptoms are present. Consider the possibility of receiving individualized, targeted molecular, cellular or genetic medical treatment as soon as possible and of undergoing scanning that can quickly tell your doctor whether your treatment is working. view more (2006-11-02)
Moderate prenatal exposure to alcohol and stress in monkeys can cause touch sensitivity
A new study on monkeys has found that moderate exposure to alcohol and stress during pregnancy can lead to sensitivity to touch in the monkeys' babies. view more (2008-02-07)
New targeted therapy shows promise in children with metastatic gastrointenstinal stromal tumor
Children with a rare digestive-tract cancer that is resistant to front-line therapy have benefited from a newer targeted therapy that has been shown effective in adults. view more (2006-06-05)
PET Scans May Improve Accuracy of Dementia Diagnosis
A new study shows that the use of positron emission tomography (PET) scans may improve the accuracy of dementia diagnoses early in disease onset for more than one out of four patients. view more (2009-06-16)
PET/CT Imaging Proves Golden for Detecting Cancer in Children
PET/CT imaging exhibits significantly higher sensitivity, specificity and accuracy than conventional imaging when it comes to detecting malignant tumors in children. view more (2007-12-13)
1 sleepless night increases dopamine in the human brain
Just one night without sleep can increase the amount of the chemical dopamine in the human brain, according to new imaging research in the August 20 issue of The Journal of Neuroscience. view more (2008-08-20)
Resolving a galactic mystery
An extremely deep Chandra X-ray Observatory image of a region near the center of our Galaxy has resolved a long-standing mystery about an X-ray glow along the plane of the Galaxy. view more (2009-04-30)
Optical imaging added to ultrasound improves breast cancer diagnosis
A new study shows that combining a technology called optical tomography with standard ultrasound imaging can help distinguish early-stage breast cancer from non-cancerous lesions-and potentially reduce the number of breast biopsies performed. view more (2005-09-27)
Copper nanowires grown by new process create long-lasting displays
A new low-temperature, catalyst-free technique for growing copper nanowires has been developed by researchers at the University of Illinois. The copper nanowires could serve as interconnects in electronic device fabrication and as electron emitters in a television-like, very thin flat-panel display known as a field-emission display. view more (2008-04-29)
Pittsburgh Compound B finds Alzheimer's-associated plaques in symptom-free older adults
In the largest study of its kind, Pittsburgh Compound B, an imaging agent that could facilitate the early diagnosis of Alzheimer's disease, has been used to identify amyloid deposition in the brains of clinically older adults. view more (2008-11-11)
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