Human brain has unsuspected oxygen reserve, challenging previous theories
...ther purpose, he says. Also, other mechanisms that drive blood flow in the brain may be waiting to be discovered.......n muscle and bone strength, and contributes to sex drive or libido. Women manufacture about one-seventh the amount of testosterone each day that men do. After menopause or ovary removal, however, testosterone production drops much further. Estrogen replacement therapy can also lead to decreased testoste...Survey finds chronic pain sufferers unsatisfied with pain treatments
...fects their overall mood, (51 percent), ability to drive (30 percent), ability to have sexual relations (28 percent) and ability to feed themselves (7 percent). In their search for relief, many chronic pain patients reported extensive efforts. On average, they have seen three physicians for their pain and...Ritalin helps children with ADHD maintain normal reaction time
...hing else. When they are teen-agers and go out to drive a car, a hundred milliseconds can become quite important if you have to swerve or apply the brakes." The study gave a new look at cognitive changes and differences involved in ADHD, Kramer said. The results indicate that medication improves the abil...Millennium, Aventis Pharma form novel alliance
...the potential to reap breakthrough technologies to drive significant productivity improvements and allow us to more rapidly address urgent medical needs," said Joseph McCracken, vice president of Technology Licensing & Alliances of Aventis Pharma. Aventis S.A. (NYSE: AVE) is one of the world's leading lif......under 21 were half as likely as of-age students to drive after drinking. "This may be related to zero-tolerance drunk driving laws aimed at underaged drinkers," said Wechsler. The study results appear in the July issue of the American Journal of Preventive Medicine. In addition to stricter enforcement of......c reaction.Currently constructed is a diamond comb drive whose tiny interspaced teeth move forward and back... This is the first demonstration of a micro-motion drive using amorphous diamond. The point, say researchers John Sullivan and Tom Friedmann, is to create a ...Brains of those in certain professions shown to have more synapses
... literature strongly indicates that experience can drive the formation of newsynapses," said Black, a physician and professor of clinical psychiatry at the U. of I. at Chicago anda professor of neuroscience and psychology on the Urbana-Champaign campus. A study by Arnold Scheibel of UCLA found a correlati...Robotics go where no surgeon has gone before
...Then it takes this digitized motion and uses it to drive the robotic arms." The camera assembly is controlled through the computer by the surgeon's voice. "The camera is much steadier and that improves visualization," he adds. Co-authors are Walter J. Ehrman, M.D.; Harold A. Tabaie, M.D.; Christopher T....HIV prevention program targets young gay men through social networks and peer support for safe sex
...ere similar in population size and about two hours drive from a large city, had a large university, attracted many young people from surrounding areas for social activities, and had no HIV prevention programs targeted at young gay men. Sexual risk-taking behavior of young gay men is explained by factors...Northwestern researchers present findings at Neuroscience Meeting
...lpneuroscientists better understand the genes that drive human beings' biologicalclocks and how those genes might change as people age. The findings, which will be presented by Northwestern graduate student DanielKolker, suggest that in old age the Clock gene, or one of the genes that itsprotein product in...... attend uncomplicated deliveries and that this may drive some female obstetricians to opt for an elective caesarian. Midwives, however are exposed to both traumatic and uncomplicated deliveries and also deal with women who have had caesarians post-operatively, write the authors. This, they say, makes the...Peering into the amazing mind behind those baby blue eyes
... teach. For humans, nurture is our nature and the drive to learn isour most important and vital instinct," said Meltzoff....Laser heart treatment shown to be safe and effective at lowering pain associated with heart disease
...ed blood flow demonstrated by thisindex study will drive use of TMR in conjunction with difficult coronary bypassand angioplasty procedures." March established Rush as a Center for Excellence in TMR, training dozens ofsurgeons each year on the procedure, which is now covered by Medicare. He beganperformi......experience and expression of emotion, have reduced drive and motivation, andfunction poorly in occupational and social opportunities. There are noeffective drug treatments for these symptoms. Psychiatry is much furtheradvanced in treating "positive" or psychotic symptoms, which include delusions(false be...Brain chemical mellows male mice, but makes mouse moms tough
...erimental mice made significantly fewer efforts to drive off thestranger, and often failed to make any discernible attack. "Compared to the normal mice, the experimental mice spent one-fifteenth of thetime attacking the strange males," says Gammie. "On the rare occasions when theexperimental mice did app...'Revolutionary' treatment for birth defect improves survival of newborns
...are. It's our goal to augment their ownrespiratory drive and find a gentler ventilator strategy that is comfortable forthem." The cause of diaphragmatic hernia is unknown, but it's often diagnosed duringroutine prenatal ultrasound examination. Kays, whose office walls are covered with photos of his young ......n learning to read and do math to mastering how to drive a car. "There are certain things we need t...nger. "This is why we start by learning to drive in an empty parking lot andnot on the freeway with all of its complexity, "adds Busse. "To be good a...Duke/Novalon researchers identify potential mechanism behind tamoxifen resistance in breast cancers
...en, tamoxifen has its own distinct properties that drive thecell's estrogen receptor into a different shape than estrogen or other estrogen"mimics" would. The shape the receptor takes determines how the cell will behaveand what activity it will generate. In the case of tamoxifen, the researchers fo......ly maintaining information in memory. When people drive a car, Kramersaid, they must switch rapidly among complex skills -- watching other vehicles,looking for pedestrians, reading signs and ignoring unnecessary information. "Executive control processes are largely controlled by the frontal andprefrontal ...