Smoking affects same 'feel good' brain chemical system as heroin
...ore smokers and non-smokers, to give them a better picture of the interaction between nicotine, the opioid system, behavior and inherited traits. But for the moment, simply having shown that nicotine has an impact on the crucial "feel good" system is reward enough....'Going through the motions' to better treat dementia
...tion detectors can give doctors and nurses a clear picture of patients' lives in their own homes. The team is focusing on movements of patients with dementia and will compare the findings from the technology to results of traditional methods where doctors and nurses discuss a patient's activities with the...Development of working memory, allowing voluntary control of behavior, defined
...dhood to adulthood. "This study gives us a good picture of how our ability to have voluntary control over our behavior using working memory changes and improves with maturity," said Beatriz Luna, Ph.D., associate professor of psychiatry at the University of Pittsburgh School of Medicine. "Anyone with k...National survey shows few physicians elected to Congress
...ir curriculum to include an emphasis on the bigger picture of policy and government, when training the next generation of physicians, if they hope to have physicians shaping the direction of health care in the United States." The eight most recent members of Congress who are physicians include Sen. Bill Fris...Asymptomatic cardiovascular changes are powerful predictor of future heart disease
...rast to traditional measures that prove a snapshot picture of risk factor levels at one point in time, the index of measures reflects cumulative vascular burden that can more accurately point to later risk for coronary artery disease," Dr. Kuller continued. "Earlier interventions, perhaps with drugs to treat...Jefferson scientists reveal how some types of rabies invade the brain
...rent methods of infection and spread. "The classic picture of rabies has been changing in the last few years," he says. "We have new viruses that are phenotypically and genotypically different and which may cause different symptoms not only the classical symptoms such as hydrophobia and difficulty swallowin...Alcoholics can have deficits in visuoperception and frontal executive function despite sobriety
...plicit declarative memory were also assessed. "The picture fragment task allows us to assess how quickly an i...ing the ability to imagine or fill in parts of the picture that are not actually drawn. The learning component comes into play when these drawings are shown t...Federal forum reports Americans aging well, but gaps remain
... "Older Americans 2004 provides a comprehensive picture of one of the fastest growing segments of our society," says Katherine K. Wallman, Chief Statistician, U.S. Office of Management and Budget. "The report is an invaluable resource that provides a wealth of data from diverse sources across the Federal...Computer simulation shows how fibrils form
...eglected allows her to get a broad molecular-level picture of the fibril formation process. ...Important priorities for prevention and treatment of HIV/AIDS
...ontrol.' The final commentary paints an ominous picture for South Africa and other African countries. Jerome A Singh (Centre for the AIDS Programme of Research in South Africa (CAPRISA), Durban) discusses a recent report highlighting the decline in South Africa's population growth because of HIV/AIDS, wit...Computer program helps doctors diagnose lung cancer
... and compare a series of scans, it gets a complete picture and has the same information the radiologist has. A CAD system is designed to provide a second opinion to radiologists. The computer analyzes the images with computer-vision techniques specially designed for a given type of cancer or disease. At th...New research tool aids study of national well-being
...espondents' selective memory and provides a better picture of how people budget their time. The study also supports previous findings that money does not buy happiness, the researchers said. The income and education levels of the respondents had less impact on the enjoyment of their daily activities th...How are we doing? Researchers aim to measure national well being
...he goal is to provide researchers with an accurate picture of the moment-to-moment experiences associated with daily activities. In a test of DRM, involving 909 employed women, Dr. Kahneman and his colleagues validated this new approach by comparing the results to findings obtained using the exp...Landmark survey reveals asthma in children remains significantly out of control in the United States
...estions about symptoms so they can get an accurate picture of their child's level of asthma control." More than Half of Those Surveyed Don't Understand Causes of Asthma Symptoms Asthma is a highly controllable disease when proper prevention and long-term management of the underlying causes are followed. ...Brain can be trained to process sound in alternate way, study shows
...s, philosophers and scientists have put together a picture of how our brains model the world through the mech... neurons in the auditory cortex fire. But now that picture has changed. Polley trained two groups of rats to become " experts" at discriminating between very s...Breast cancer may be 'uniquely sensitive' to inhibitors of PI3K pathway
...of Texas M. D. Anderson Cancer Center. A clearer picture is now emerging about the importance of the phosphatidylinositol 3 kinase (PI3K) pathway to breast cancer development, says Gordon Mills, M.D., Ph.D., a professor and chair of the Department of Molecular Therapeutics. This pathway, which is linked to...To help your mind, take steps to help your heart, study says
...hat more studies are needed to give doctors a full picture of mixed dementia, and to show them what works, and what doesn't, in preventing and slowing it. "Until those studies are completed, physicians should talk with each patient or family individually about the treatment route to pursue," says L...Safety of childbirth after C-section examined
... physicians to provide appropriate counseling. The picture has been anything but clear. "There are important distinctions in this study," Landon noted. "Existing data until now has largely come from retrospective studies, utilizing birth certificate data which is often unreliable. This study was prospectiv...Infants, children prefer sounds over pictures and only slowly become visually oriented, studies find
...g children. But this new research offers a clearer picture of the nature of this auditory preference and how ...en repeatedly presented a certain combination of a picture and sound to familiarize them with that combination. Previous work had shown that when infants becom...