New risk analysis study shows school soft drink consumption has no impact on adolescent obesity
...ply the risk analysis paradigm to an important and controversial topic in nutrition policy. We suggest that risk analysis should be applied more often to inform debates on nutrition policy." The authors followed rigorous scientific procedures in the preparation and publication of the study. The manuscript underw...Double trouble: Cells with duplicate genomes can trigger tumors
...a-Farber Cancer Institute have shown, validating a controversial theory about cancer causation put forth by a scientific visionary nearly 100 years ago. The so-called "double-value" cells are produced by random errors in cell division that occur with unknown frequency. The generation of these genetically unstable ...Jefferson scientists uncover new clues to how crucial molecular gatekeepers work
... to its normal resting state. The more recent and controversial theory proposed by Nobel laureate Roderick MacKinnon of Rockefeller University holds that a kind of molecular paddle comprised of the S4 segment and part of the S3 segment moves through the cell membrane, carrying S4's positive charges with it across......r own bio-industries. He examines some of the most controversial areas of medical biotechnology, including issues such as stem cell research and gene therapy and some of the ethical issues they raise. "The findings of this book are a valuable contribution to the state of our knowledge about modern biotechnology, t...The WTO and sustainable development
...tters. Some have already proven to be particularly controversial and there is much more controversy to come. "The WTO simply cannot ignore the need to promote and preserve the environment. The priority must be to re-balance the international trade system in favour of developing countries. [This book] is a crucial...Free-energy theory borne out in large-scale protein folding
...free-energy landscape theory. This has been a very controversial issue in the field of protein folding." Study co-authors also included Giovanni Fossati, assistant professor of physics and astronomy, who helped the team analyze and interpret the simulation data....Different but equal: Settling the dosage compensation debate
...t "The clear-cut result we obtained clarifies this controversial issue at least to our satisfaction. How the different components of the male-specific lethal complex contribute to fine-tuning of gene expression in a two-fold range remains an interesting challenge for future studies."......own healthy cells. In addition, the model bolsters controversial suggestions that chronic infections could lead the immune system awry, resulting in autoimmune diseases such as rheumatic arthritis. Read the Rice University press release about the work at http://media.rice.edu/media/NewsBot.asp?MODE=VIEW&ID=7684 ....'Greener' stain-resistant coatings developed; avoid PFOA
...us, may be the largest environmental source of the controversial chemical. The new materials use a novel type of short-chain fluorocarbon that does not degrade into PFOA and is less likely to cause health effects, the UNC scientists say. The greener compounds are primarily intended to replace conventional stain-re...Study shows humans have ability to track odors, much like bloodhounds
...contrasting input from the ears. "It has been very controversial whether humans can do egocentric localization, that is, keep their head motionless and say where the spatial source of an odor is," said study coauthor Noam Sobel, associate professor of psychology at UC Berkeley and a member of the campus's Helen Wi...Research suggests fitness of Florida panthers improved by limited breeding with Texas animals
...mated 30 to a recently counted 87 as a result of a controversial breeding effort to improve the genetic health of the endangered and inbred animals, according to a new assessment. Hybrid kittens born to panthers brought into the area from Texas have "about a three times higher chance of becoming adults as do pureb...Time and money make a difference in endangered species recovery
...ecome a major focus of political battles over this controversial environmental law....Discarded placentas deliver researchers promising cells similar to embryonic stem cells
...reat diseases and regenerate tissues as their more controversial counterparts, embryonic stem cells, suggests a University of Pittsburgh study to be published in the journal Stem Cells and available now as an early online publication in Stem Cells Express. A part of the placenta called the amnion, or the outer mem...Tissue regeneration operates differently than expected
...the repair and maintenance of organ functions. The controversial idea is that adult stem cells have the potential for transdifferentiation; in other words, that they are able to transmutate from one type of organ cell to another. If that is the case, bone marrow cells would be able to change into lots of different...Amphetamines reverse Parkinson's disease symptoms in mice
...nsitive than mice to such drugs. "Amphetamines are controversial drugs, and there's no reason to suggest that amphetamines themselves should be used to treat Parkinson's," Gainetdinov said. "However, the chemical structure of amphetamines may lead to new, amphetamine-like drugs, that might provide a more lasting a...Specialized immune-system B cells play double-barreled role
... function of B-1 cells in the body has been highly controversial over the past two decades," said Tedder. "They appear to be a primary defense mechanism for innate immunity in infections. In particular, however, the B-1b cells have been largely ignored because they're present in relatively small numbers and are di...Insight into cell metabolism will help interpret PETs, MRIs
...el (a process called glycolysis). This confirmed a controversial function based on the hypothesis known as the astrocyte-neuron lactate shuttle, and the finding helped researchers to better understand how the metabolic process works on a microscopic level. Vishwasrao's current paper is co-authored by Kasischke, We...Women feel more pain than men, research shows
...inics and hospitals. "Until fairly recently it was controversial to suggest that there were any differences between males and females in the perception and experience of pain, but that is no longer the case," said Dr Ed Keogh a psychologist from the Pain Management Unit at the University of Bath*. "Research is tel...Increasing reproductive tourism in Europe is a 'safety valve' that promotes peaceful coexistence
...easier to move from permission to prohibition when controversial issues are considered, than vice versa. "Moreover, there is no unified European culture and no consensus on substantive human values. This implies that European decisions would have the same problems as national restrictive laws but on an even higher......hat many ALS patients elect for euthanasia, a very controversial solution. Genetic research by Peter Carmeliet and his team at the Catholic University of Leuven has led to the surprising finding that the vascular endothelial growth factor (VEGF) plays an important role in this disease process. Subsequent research ...