Study advances vCJD prion detection
...e positives can be minimised. However, the ethical dilemma remains over screening and testing for a disease for which there is no cure. A total of 161 people have died from variant CJD since the disease emerged in early 1990, including three people who received blood transfusions from donors who later deve...HIV in breast milk killed by flash-heating, new study finds
...ast milk," said Abrams. "This has been a desperate dilemma for mothers in developing countries. Our method of flash-heating breast milk could be particularly important at the time the mother stops nursing. Roughly 300,000 infants contract HIV from breastfeeding each year. Even if only a small proportion of H...US control strategies may make flu epidemics worse, UCLA study shows
...ach a collective behavior with respect to a common dilemma by adapting to what they think are other peoples decisions. The group modeled each individuals strategy for making yearly vaccination decisions as an adaptive process of trial and error. They tracked both individual-level decisions and population-lev...US control strategies may make flu epidemics worse, UCLA study shows
...ach a collective behavior with respect to a common dilemma by adapting to what they think are other people's decisions. The group modeled each individual's strategy for making yearly vaccination decisions as an adaptive process of trial and error. They tracked both individual-level decisions and population-l...Deflecting damage: Flexible electronics aid brain injury research
...e electronic membranes may overcome a longstanding dilemma faced by brain researchers: How to replicate injuries in the lab without destroying the electrodes that monitor how brain cells respond to physical trauma. Developed by a team of engineers at Princeton University, Columbia University and the Unive...Moral judgment fails without feelings
...e scenarios in the study are extreme, but the core dilemma is not: should one confront a co-worker, challenge a neighbor, or scold a loved one in the interest of the greater good? A total of 30 subjects of both genders faced a set of scenarios pitting immediate harm to one person against future certain har...UGA research shows rats are capable of reflecting on mental processes
... The results of the just-published study present a dilemma for those who had previously believed that only primates could achieve metacognition. But it also presents a rodent model that should allow researchers to understand better what animals are "cognitively sophisticated" and why. The research will als...BC biologists identify alternative brain cancer treatment
... brain cells. The KetoCal diet gets around this dilemma by essentially starving the brain tumor cells of the sugary molecules on which they rely for growth and survival. Because of its special composition, the diet deprives the tumor cells of the glucose they need; at the same time, the diet provides norm...Yale chemists show that nature could have used different protein building blocks
... been an elusive goal. Schepartz's team solved the dilemma by designing a molecule that could form a bundle using characteristics found in natural proteins a greasy interior that repels water and a water-friendly exterior. This paper, which provides the first high-resolution picture of such a structure, sh...Delay in use of nevirapine-based AIDS treatment can improve outcomes
...ansmission of HIV, but has also created a terrible dilemma for physicians and patients. Research has shown that 20 to 69 percent of women who take a single dose of nevirapine during labor subsequently develop resistance to the drug -- a situation that may undermine the patients" ability to respond later to n...Pest control research leads to pain control discovery
...aid. The UC Davis study may mean a solution to the dilemma of whether to use the drugs. "Combination therapies have long been used to treat inflammation while reducing side effects," Schmelzer wrote. She said the present study was designed to evaluate the therapeutic potential of combination treatment with...AAAS book explores evolution and Christianity's response
..., the book features a narrative about the personal dilemma of a fictional college student, Angela Rawlett, as she struggles to reconcile her traditionalist Christian upbringing with her keen interest in biology. Her story is rooted in reality, according to Connie Bertka, director of the AAAS's Dialogue on ...Evidence of rapid evolution is found at the tips of chromosomes
...e repair pathway. But this leaves an interesting dilemma for human telomere biology, which only has one POT1 gene. Does the human POT1 gene serve the functions of both POT1a and POT1b? How does the presence of the second POT1 protein affect the rest of the complex? "I've gone through hundreds of genes invo...Who are we up against? Local vs. global competition influences cooperative behavior in humans
...ans asked to play the Prisoner's Dilemma game. The dilemma in this game is that not cooperating (that is, cheating) is the best short-term option, but cooperation by both players gives greater rewards than cheating by both players. It is well known that cooperation can be favored in this game if players have...Genetic finding suggests alternative treatment strategy for common, complex skin disorders
...It is not uncommon for a family doctor to face the dilemma of a child who has eczema and then having to decide how aggressively to treat the disease. Eczema is not particularly dangerous, but children presenting with eczema commonly go on to develop asthma, which severely compromises quality of life and in r...Altering genetic blueprint of receptors in brain could help stroke victims avoid brain damage
...is critical for learning and memory processes. The dilemma for researchers is to figure out how to protect neurons from the lethal doses of calcium without causing more damage to learning and memory. Lu's approach of modifying one part of the genetic blueprint of the AMPA receptor protected the brain in test...US commercial genetic testing does not detect all cancer-associated mutations in certain genes
... of these genes," the authors write. "The clinical dilemma is what to offer to women with a high probability of carrying a mutation in BRCA1 or BRCA2 but with negative commercial test results. Technically, the answer is at hand. The mutations identified in our study that were missed by commercial testing are...Study shows that cells have a natural defense against HIV
...e to viral drug resistance an increasingly urgent dilemma for patients and doctors. Currently, doctors treat people with AIDS using combinations of drugs that target the virus itself. These drugs do not eliminate HIV from the body, but they do block its ability to reproduce and spread, and they restore mos...Low-level exercise delays heart failure, markedly extends lives, even with hypertension
BETHESDA, Md. (Dec. 6, 2005) A classic clinical dilemma faces doctors treating patients with congestive heart failure (CHF): while exercise generally protects the normal heart from cardiovascular disease, will exercise potentially "improve the prognosis of patents with CHF, or (will it place) a further ex...