Pediatric ritalin use may affect developing brain, new study suggests
...drug Ritalin by young children may cause long-term changes in the developing brain, suggests a new study of v...escribed drugs for the behavioral disorder. "The changes we saw in the brains of treated rats occurred in areas strongly linked to higher executive functioni...Save our reef, save our heritage
...cIntyre-Tamwoy. We have to ask ourselves how those changes will affect our way of life. Another speaker, Dr John Hurd, director of conservation for the Global Heritage Fund, will explore how climate change is affecting the human heritage in the deserts: Deserts are normally great places for preserving thi...Charting ever-changing genomes
...of the spectrum and ended up with a top list of no changes and a top list of a lot of changes, explains Borev...lution approach revealed a high number of specific changes in genes belonging to the so-called F-box superfamily, whose members plays a crucial part in flaggin...Measuring the unseeable: Penn researchers probe proteins' dark energy
...oscopy, the investigators were able to look at the changes in the internal motion of calmodulin itself in eac...rom this individual contribution they deduced that changes in the entropy of the protein are indeed important to the process of calmodulin binding its partners...UK scientists lift lid on genetics of coronary artery disease
...ther common diseases. The researchers found that changes in our DNA on chromosomes 2, 6, 10 and 15 and two on chromosome 1 were associated with increased risk of developing coronary artery disease and heart attacks The study also confirmed the importance of a variant on chromosome 9, previous identified in......blem of reduced visibility caused by human-induced changes to the aquatic environment. Yet this is precisely the sort of dilemma female stickleback fish are facing in the Baltic Sea, according to a recent study published in the August issue of the American Naturalist by Dr. Bob Wong, an Australian researcher...Research study describes the role part of the brain plays in memory
... the neurotransmitter was also neutralised and the changes in the animals' behaviour were observed. The results demonstrated that the social transmission of food preference was clearly affected after neutralising the acetylcholine receptors. Researchers also verified that the effects were not due to other ...Foxes get frisky in the far north
...urrent environment or better equipped to deal with changes in its environment over time....Study finds hereditary link to premenstrual depression
...ile PMDD has been thought to be linked to hormonal changes over thecourse of the menstrual cycle, until now a...ion for the susceptibility to hormone-related mood changes has been elusive. "Our initial hope in the study was that by looking at steroid-related genes like t...News tips from the Journal of Neuroscience
...is weeks Journal , Klppel et al. investigated the changes that occur as a consequence of retraining, not only for handwriting but also for more general manual tasks. Using fMRI (functional magnetic resonance imaging), the authors compared brain activity between right-handers, left-handers, and converted lef...Implanon, Norplant and Jadelle are all effective contraceptives -- but side effects vary
... most common side effect with all the implants was changes in bleeding pattern. Rates of amenorrhoea after two years use were significantly higher in women using Implanon than Norplant. Implanon was also quicker to implant and remove than Norplant, and Jadelle was quicker to remove that Norplant. One way o...American Chemical Society's Weekly PressPac -- July 11, 2007
... with reduced fertilization rates. Well-quantified changes in tomato nutrients over years in organic farming systems have not been reported previously. ARTICLE #2 FOR IMMEDIATE RELEASE Ten-Year Comparison of the Influence of Organic and Conventional Crop Management Practices on the Content of Flavonoids in...Metabolic syndrome -- don't blame the belly fat
...s: prediabetes, diabetes, high blood pressure, and changes in cholesterol. But with the help of powerful ne...ed. "The idea is that insulin resistance in muscle changes the pattern of energy storage." After providing the study's subjects with two meals high in carboh...Accident-prone? Scientists link brain function to knee injuries
...ress and anxiety must be considered, as both cause changes in muscle tone and concentration and the narrowing of our attentional field, he said. There is likely an optimal state of arousal for each individual to maximize performance and injury avoidance, but future studies will have to determine the relati...Clues to future evolution of HIV come from African green monkeys
...e give new evidence on how quickly or slowly these changes take place." Citing some laboratory research tha...ded, "For HIV, the really cool thing is that these changes can take place on a more rapid timeline that previously thought." Wertheim adds, "Understanding ho...Throwing motion in young baseball players may actually protect shoulder
CALGARY, Alberta -- Adaptive changes occur in the arm bone and soft tissue of the shoul... year-old, he explains. To evaluate the adaptive changes in the shoulder joint of overhead throwing athletes, Dr. Mair and colleagues followed 32 male baseba...Liverpool amongst first in UK to install unique DNA sequencing technology
...NA sequencing of the malaria parasite. By studying changes in parasite DNA scientists aim to understand why some species of malaria can infect humans and others can only infect other animals. Professor Neil Hall, at the Universitys School of Biological Sciences, explains: This new machine is invaluable no...Unraveling the physics of DNA's double helix
... were tethered at one end to gold and measured the changes in force as they pulled. The AFM technique allows precise measurements of forces within individual molecules down to one pico-Newton--a trillionth of a Newton. For a sense of scale, the force of gravity on a two-liter bottle of soda is about 20 Newto...How plants learned to respond to changing environments
...covered how plants evolved the ability to adapt to changes in climate and environment. Plants adapt their gr...pes of evolutionary change. As well as structural changes that allow the proteins to interact, flowering plants have also changed the range of genes that are ......ls respond in a completely different way to slight changes in sugar composition. If we are able to use this unique sugar to excite the immune system, it may help the human body fight infection. Previously, everyone thought that these key cells of the immune system weren't picky and would eat anything that ...