Single cocaine exposure boosts both drug craving and avoidance
...to express either an attraction or aversion to two differently colored and textured chambers where they have received one of two drugs or a placebo. Before the rats were introduced to the training environments, they were injected with a dose of cocaine. They were then placed in one chamber or the other. One grou...Depression predicts mortality in women with heart disease
...hers said, since heart disease may manifest itself differently in women. Also, the study reinforces the growing appreciation that physicians who take care of heart patients need to take into account the psychosocial as well as the medical aspects of the disease. Duke psychologist Anastasia Georgiades, Ph.D., pre...Jefferson scientists unlocking secrets of cholesterol transport in body
...transport system in the intestines. The drug works differently than the popular statins, which inhibit cholesterol synthesis in the liver. But no one has identified molecularly how ezetimibe works. "We've identified the components of the intestine that likely mediate the effect of Zetia," Dr. Farber says. "Thes...Study uncovers how stress and hormones lead to smoking relapse
.... "We have found that stress affects men and women differently when it comes to nicotine addiction and relapse," says lead researcher Mustafa al'Absi, Ph.D., of the University's Behavioral Medicine Laboratories in the School of Medicine, Duluth and Cancer Center member. "During abstinence women have more difficu...Urban areas organized in well developed partnering 'markets'
..." Laumann said. The new sexual markets operate differently for men and women, and are defined according to racial group, neighborhood and sexual orientation, the University of Chicago team found during a three-year study. The scholars interviewed 2,114 people in the city and nearby suburbs and also talked w...Some breast cancer patients may benefit from endocrine therapy alone
...types behave in dissimilar ways, they also respond differently to chemotherapy treatment. "Estrogen negative cancers are more poorly differentiated and tend to be more sensitive to chemotherapy drugs, and are easier to kill with chemotherapy," he says. "Estrogen receptor-positive breast cancers are differentiate...Researchers use crippled poliovirus to attack brain cancer
...ncer cells, however, regulate gene expression very differently than normal cells do. They grow faster, lack growth inhibitors and generally provide a supportive environment that is highly susceptible to viruses of all sorts, making viruses an excellent invader to disrupt cancer's growth. "...fMRI depicts multisensory dysfunction in people with dyslexia
...appear to process auditory and visual sensory cues differently than do normal readers, and these differences may be the cause of their difficulty in reading," said the study's lead author, Jonathan H. Burdette, M.D., assistant professor of neuroradiology and associate in the department of bioengineering at Wake ...NHS makes bad use of hospital beds
... there is scope for acute hospital beds to be used differently in the NHS, say the authors. They suggest that the NHS can learn from Kaiser's integrated approach and their experience of engaging doctors in developing and supporting this model of care....Wanted: people to test orgasmatron
...loy is confident that it will. "I don't see it any differently from procedures such as breast implants," he says....Mens social isolation linked to higher heart disease risk
... of the inflammatory biomarkers. "Men may respond differently than women to social relationships," Loucks said. "Women also live longer than men," he added. "So another possibility is that in this particular age group, 70 to 79, men's inflammatory biomarkers may be more influenced by social relationships than ...Dyslexia may involve both vision and hearing
...ividuals integrate visual and auditory information differently than good readers."The study did not use letters and speech sounds, suggesting that there may be a very basic sensory integration deficit in dyslexia that underlies reading difficulties," Flowers said. Wallace said the finding suggests better ways to...Gender differences in brain response to pain
...n, several areas of male and female brains reacted differently when given the same pain stimulus. The female brain showed greater activity in limbic regions, which are emotion-based centers. In men, the cognitive regions, or analytical centers, showed greater activity. "The reason for the two different brain res...'Reset switch' for brain cells discovered
...s snipped apart and spliced back together slightly differently than when the neuron needs to decrease its sensitivity. This "alternate splicing" causes the production of an NMDA protein differing in one small bit that attaches it to the transport machinery that carries receptors to the synaptic surface, found th...Vision-producing cells fail 'taste-test,' treat key light-detecting molecules identically
...rchers expected the rods to treat the two pigments differently -- picking up signals only from its native pigment and spurning the other -- or to behave a little like cones. "Surprisingly, the cell's response to light was identical regardless of which pigment was activated," says King Wai Yau, Ph.D., professor o...Mild depression breeds prolonged inflammation in caregivers
...k, we get a clear picture of how the body responds differently depending on whether a person is even mildly depressed or not. The researchers looked at a group of 47 people who were either current or former caregivers at the time of the study. In the case of each of these people, their spouse either had Alzheime...Research breakthrough in understanding treatment resistant depression
...n processed their emotional response to the images differently from the healthy individuals. Some parts of the brain were less active in people with depression than the control group, while other areas showed greater activity. For instance activities in some regions of the brain, such as the rostral anterior cin...Neurons that play truth or consequences
...ands and arms. So hand movements may be controlled differently than eye movements. There is also the possibility that the ACC in humans may function differently than it does in monkeys. "These results are telling us that things are not as simple as some people ...EUROCARE 3 - new European cancer survival figures
...in's disease illustrating how countries performed differently for different cancers. Some cancers showed particularly wide differences in survival. Lung cancer varied more than two-fold although the best rates were still under 15%. In some cancers there was evidence that the nature of the cancer was contributin......ith high blood pressure seemed to perform a little differently on mental tasks. These were subtle differences, almost the sort of thing that would suggest the test subject was not paying good attention," Jennings said. "But those reports were anecdotal observations with no physiological data to back them up." ...