Scientists find link between dopamine and obesity
...leasure, we suspected that obese people might have abnormalities in brain dopamine activity as well," says psychiatrist Nora Volkow, who was also involved in the study. To test this hypothesis, the scientists measured the number of dopamine receptors in the brains of ten severely obese individuals and ten normal c...Specifying alcohol-related brain damage in young women
...in and cognitive function and that this pattern of abnormalities is similar to that documented in older alcoholics with many years of abusive drinking." Both Tapert and Sullivan see the need for researchers to continue tracking the changes in cognitive and motor abilities that are caused by chronic alcohol abu...Sleepyheads, snorers face risk of stroke
...nd snoring. Thus, they conclude sleep pattern abnormalities are independently associated with stroke and TIA. Exactly how the disruptions contribute to stroke and TIA risk is still uncertain. Underlying factors, such as depression or sleep apnea, may contribute to the chain of events. Study participan...Altered mice provide model of rare childhood disease, NIH and Georgetown researchers find
...r characterized by deafness from birth and cardiac abnormalities that can cause potentially fatal arrhythmias. These findings will be published in the February 27 issue of Proceedings of the National Academy of Sciences (PNAS). Having the animal model will enable scientists to study the underlying mechanisms of Je...Study: Ripped aortas kill often, but new knowledge may aid survival
...e aorta and produces unusually long limbs or other abnormalities in more than 100,000 Americans. People with other heart valve and aorta problems, high blood pressure or a family history of aortic dissections are also at risk. Some people with aortic dissection can achieve a stable state with their condition,......, pre-existing chronic liver disease, or metabolic abnormalities that predisposed them to liver injury? This work is now under way. In November, the Food and Drug Administration issued an alert for the NNRTI nevirapine based on reports of liver toxicity. This study found that 33 percent of patients who experience...Avandia may reduce risk of cardiovascular disease
...Avandia may have a positive effect on blood-vessel abnormalities in people at risk for cardiovascular disease and a...sulin resistance may also suffer several different abnormalities that contribute to their increased risk of cardiovascular disease. In addition to obesity, these me......complications, in addition to any congenital brain abnormalities that may already exist. The researchers studied 318 infants who received surgery using DHCA for congenital heart disease at The Childrens Hospital of Philadelphia between 1992 and 1997. The infants were randomized into two groups -- one group to rec...University of Pittsburgh researcher provides first-ever definition of HIV-associated lipodystrophy
...trophy or Mixed Lipodystrophy along with metabolic abnormalities of glucose metabolism or lipids. In monitoring HIV-infected individuals every three to six months, Dr. Kinglsey suggests that health care providers keep track of changes in height, weight, body-mass index, arm, thigh, waist, hip and waist-to-hip ra...Researchers receive $1.7 million to study exercise therapy and effects on aging, heart failure
...failure due to diastolic dysfunction, will improve abnormalities of diastolic function and be an effective therapy for this disease, he said. The study will include three groups of participants over 65. A group of healthy, but sedentary, individuals with no chronic medical problems will be compared with a group of...Endurance athletes could benefit from surgical release of kinked leg arteries
...ntravascular abnormalities. The incidence of these abnormalities in top athletes is high, since 5 of the 25 Dutch athletes that were selected for the olympic games (Sydney 2000) in cycling and triathlon needed surgery to correct blood-flow restrictions....Researchers observe abnormalities in brains of autism patients
...ed imaging, researchers have observed minicolumnar abnormalities in the frontal and temporal lobes of autistic patients. The study by scientists at the Medical College of Georgia, the University of South Carolina, and the Downtown VA Medical Center in Augusta, Georgia, is reported in the current issue of Neurology......ized lipodystrophies are associated with metabolic abnormalities such as diabetes, high blood cholesterol and an accumulation of fat in the liver. Current treatment consists of high-dose insulin plus triglyceride- or lipid-lowering medications. Results of the study, published in todays issue of The New England Jo...Scleroderma research receives a boost from multiple NIH grants
...ical College of Ohio at Toledo. Small blood vessel abnormalities are seen in early scleroderma. This project investigates molecular and cellular mechanisms that may cause this dysfunction. Fine Specificity of Scleroderma Autoantibodies, Judith A. James, M.D., Oklahoma Medical Research Foundatio...UCSF study shows breast cancer screening programs that interpret the most mammograms
...malities. Low volume U.S. readers identified fewer abnormalities than any of the high volume readers. High volume U.S. readers were 76 percent and U.K. readers 79 percent accurate; medium volume U.S. readers were 70 percent and low volume U.S. readers 65 percent accurate. The conditions under which physicians pro...Patients who need cardiac resynchronization therapy may be eligible for Cedars-Sinai clinical trials
...advanced congestive heart failure and heart rhythm abnormalities may qualify to participate in one of two research ...cardiac conduction abnormalities. These conduction abnormalities correlate with worsening congestive heart failure and result in discoordinated contraction of the le...New study says people take mental stress to heart
...led radionuclide angiography to detect wall motion abnormalities in the hearts pumping during ischemia, which occur...ts researchers view the working heart. Wall motion abnormalities are specific markers of ischemia, Sheps says. Radionuclide imaging provides us a motion picture of ...Ultrasound senses 'feel' of breast lesions
... detecting and in some cases characterizing breast abnormalities that are deeper and smaller than the 1-centimeter-sized lesions that physicians can detect by feel, said the lead author of a just-released study. The technology has many other potential clinical applications, such as detecting clogged arteries a...Early cardiovascular disease found in asymptomatic individuals
...ests designed to detect early vascular and cardiac abnormalities and blood tests to identify potential targets for risk contributor intervention. Screening a healthy, affluent population revealed a high prevalence of covert and overt disease that is not being adequately treated. "Required treatments for individua...Bethesda 2001: A revised system for reporting pap test results aims to improve cervical cancer
...ans and their patients decide what to do about the abnormalities found on Pap tests. The 2001 Bethesda System doe...st current knowledge about the biology of Pap test abnormalities and addresses new screening technologies that appeared in the past decade. Key changes include: ...