Metacognition: Faced with a test, rats can check their knowledge first
...sess or reflect on one's own mental processes, was previously only recognized in humans and other primates. The findings are reported by Allison Foote and Jonathon Crystal of the University of Georgia and appear online in the journal Current Biology, published by Cell Press, on March 8th. Assessing metacognit...Insight on fruit fly immune system could lead to new types of vaccines, Stanford researchers say
...op long-term protection from infection, an ability previously thought impossible for insects. The findings could have implications for new ways of developing human vaccines, especially for people with compromised immune systems. The evidence that a fruit fly's immune response can adapt to - or retain memory...Study reveals depressed elderly risk early death
...n discharged from hospital, 17% were found to have previously undiagnosed depression and of that figure, 7% died within two years of leaving hospital. The study also showed that 41% of elderly people who have depression are often later re-admitted to hospital with other illnesses, possibly a result of not rec...On a diet? You'll spend more on impulse purchases
...ed spent an average of $1.21. Participants who had previously been asked to exercise self-control also bought twice as many items on average as members of the unregulated group. "Overall, the research shows that people need self-regulatory resources to resist impulse buying temptations, and that these resourc...Study takes next step -- Why women suffer more knee injuries
...g The study's lead researcher, Scott McLean, was previously at Cleveland Clinic and is now an assistant professor with the Division of Kinesiology at the University of Michigan. The study will be published in the March issue of Medicine and Science in Sports and Exercise. According to the NCAA, female athle...Breast cancer survivors experience long-term heart disease risk from radiotherapy
... risk of heart disease, radiation therapy has been previously shown to improve the chances of surviving breast c...ld represent a long-term toxicity of which we were previously unaware, or, as noted by the authors, could possibly be related to induction of menopause," the auth...Sunny days pose risk of 'flicker illness' for a few airlifted patients
...teresting is that these findings were reported for previously healthy individuals." He and Floccare use the term "flicker illness" to refer to the whole continuum of complications, from wooziness to vomiting to all-out seizing, induced by quick-flashing light. "Many aircraft commonly used for air medical tr...ACS News Service Weekly PressPac -- Feb. 28, 2007
...se states often is grown in old cotton fields that previously were treated with arsenic pesticides, the study states, adding that arsenic-tolerant strains of rice often are grown in those fields. When researchers modeled rice intake, they concluded that certain population groups could get dietary exposure to ...Hot tubs hurt fertility, UCSF study shows
...e infertility was a co-existing factor. The only previously published study to examine this link was performed in 1965, according to the research paper. In that study, 20 men were exposed to direct scrotal wet heat for 30 minutes on six alternating days. The findings showed a temporary decline in sperm produ......l scientists accurately answer questions that have previously been only guessed at," explains Peter Halfpenny, the Executive Director of the ESRC National Centre for e-Social Science. "Big social and economic questions such as what is behind the huge growth in diabetes. By combining data about every Briton's he...New details in schizophrenia treatment trial emerge
...king these gains. The results are consistent with previously reported CATIE results ( http://www.nimh.nih.gov/healthinformation/catie.cfm ) in which few differences were seen among perphenazine and the newer, second-generation antipsychotic medications in effectively reducing symptoms. The patients who made ......ol" until they meet a tumour cell, which they have previously learnt to recognise. They then halt to eliminate it, before resuming their rounds. The rapidity of the advance achieved by T lymphocytes is indicative of either the absence of an adversary, or defeat of the immune system in the battlefield. This s...The Natural Fat-Loss Pharmacy by Dr. Harry Preuss
.... Based on his own research as well as hundreds of previously recorded scientific studies conducted at major universities and published in leading medical journals, in Dr. Preuss's new book new book with Bill Gottlieb, THE NATURAL FAT-LOSS PHARMACY (Broadway Books, January 2007), he helps consumers separate the...Cholesterol in stroke patients exceeds national guidelines
... would never have happened." Even people who had previously been diagnosed with high cholesterol and those who...cording to the guidelines. Thirty percent of those previously diagnosed with high cholesterol and 19 percent of those taking cholesterol drugs were not at their i...Depression increases health risks in heart failure patients
...ed levels of B-type natriuretic peptides have been previously shown to be associated with increased risk of death for heart attack patients and are now being used in the diagnosis of heart failure. "As expected, high levels of BNP predicted worse outcomes in our study, but even taken this and other disease ma...Smoking may be a risk factor for tuberculosis
...isease upon infection, according to an analysis of previously published research in the February 26 issue of Arc...ifornia, Berkeley, performed a meta-analysis of 24 previously published studies that examined the association between smoking and TB. Six of the publications dea...Drug treatment improves learning in mice with Down syndrome symptoms, Stanford/Packard study shows
...rs later he exposed the same animals to one of the previously seen objects and a third, never-before-seen object. Although wild-type mice spent more time investigating the new object, untreated Down syndrome mice showed no preference for either object. In the maze test, mice were habituated to the long arm of...Cancer drug can extend survival in patients with deadly brain tumors
... said. "This study may lead to options where there previously were none." Avastin may be effective in treating gliomas because these tumors have a high concentration of vascular endothelial growth factor, a protein that stimulates development of new blood vessels in a process known as angiogenesis. New blood ...New research may overturn conventional wisdom on drug-resistant tuberculosis
... many patients without sample results, reliance on previously collected data in which some patients might have been misclassified, use of computerized drug susceptibility data, and the unknown contribution of mixed infections. Nevertheless, the findings are a warning. Although better diagnostics, drugs, and eff......e combination of these two approaches implicates a previously unidentified region of chromosome 11, and neurexin 1 - a member of a family of genes believed to be important in the contact and communication of neurons. The neurexin finding in particular highlights a special group of neurons called glutamate neuro...