New Math, High-Tech Imaging Solving Old Riddle: How Does The Brain Operate When We Think?
...hemoglobinis not carryingoxygen, it increases the strength of the magnetic field set up by MRI in thatarea of the body. Inturn, this alters MRI signals released by molecules in there. The researchers demonstrated the accuracy of their math by comparing normalanimalbrain activity to abnormal activity c...X-ray Microscope Designed To Study Jet Engine Components Now Probes Tooth Dentin
...rovides an even closer view. Researchers test the strength andstiffness of dentin by pushing the very atoms and molecules apart and using thedevice to observe how they respond. Researchers want to understand the structure and properties of dentin inorder to find methods and materials that will create a...Extreme Fatigue Increases Risk Of Blood Clot Formation
...ctors among chronically stressed individuals. The strength of the study lies in the careful psychological selection of the subjects. Although vital exhaustion is similar to depression in some ways, it does not include the feelings of intense sadness, guilt, and low self-esteem. These features of depression...... The members will provide guidance to NIEHS on the strength of theexperimental data and its implications for human health and disease etiology,and NIEHS Director Kenneth Olden, Ph.D., will use the appraisals and workinggroup review ,as well as other relevant information, in formulating his ownreport to Congr......in inleukemia-free remission," said Dr. Brune. The strength of the Phase II data led Maxim to commence a Phase III clinicaltrial of Maxamine as a remission therapy for AML patients. The Phase III trial,which began earlier this year, is underway in 11 countries and more than 100clinical sites around the world...Radically New Type Of Surgery Tested On First Patient
...magnetic field was amajor challenge because field strength must change rapidly in response tocomputer commands. Designing the X-ray system also was a challenge becausemagnetic fields destroy standard fluoroscopes. Stereotaxis also had to developflexible surgical tools and Jello-based "brain tissue" for pract...Statistician Keeps Health Researchers Ahead Of The Curve
...the level of CD4 cells -- acritical measure of the strength of the body's immune system -- declined among400 gay men who were infected by HIV between 1984 and 1991. Wu was able to produce charts that will enable physicians to predict how quicklythese cells will decline. This information will help doctors and ...Growing Younger By Keeping Up Regular Physical Activity
... for both men and women that increasedtheir muscle strength by 30 to 100 percent in the first three months, afterwhich point they reached a plateau and did not continue improving. A study in which people who exercised by walking several days a week decreasedtheir risk of disability and improved their abili...New Book (And Web Site) Use 'Currency' Of Aging To Guide And Motivate Healthy Choices
...just whether specific acts, like aerobic exercise, strength training,wearing a helmet to ride a bicycle or flo... his RealAge -- he tries to eat right,does regular strength and endurance exercises, maintains an active sociallife and has even reduced his driving speed. "Ane...News About Osteoporosis: Fruits And Vegetables Prevent Bone Decay
... bone to neutralize the acid, thereby reducing the strength of the bone. Fruits and vegetables help to prevent thisloss of bone mineral density because they create a more alkaline environment in the bodythey neutralize the acid without depending on thebuffering effects of the bone minerals. It is also possibl...Study Finds Combining Exercise With Male Hormone Therapy Benefits Men With HIV-Wasting Disease
...uced greater increases in leantissue and in muscle strength than either treatment by itself. "These resultspr...oxandrolone group also showed anincrease in muscle strength (chest, triceps, leg) over the placebo group by ameasurement of .04 percent. Patients in both g...Study Confirms Girls' Belief: More Fat Means Fewer Dates
..., stroke and jointproblems such as arthritis. One strength of the new work was that unlike much earlier resea...as well as whiteteen-agers, Halpern said. Another strength was that it included subjects'actual weights and body fat levels, not just how they felt about exces...Growth-Hormone Deficient Babies Are Normal Length At Birth, UB Study Finds
...etalgrowth have produced conflicting results. The strength of this study,MacGillivray said, lies in the fact it involved children from a single regionalmedical center, Children's Hospital of Buffalo, all of whom had access to thesame care. (One former study done by another researcher involved data from 12co......nger people with growth hormonedeficiency: reduced strength and energy, increased body fat (especially aroundt... in growthhormone. Loss of muscle mass and strength are major problems for the elderly,leading to more falls and increased difficulty coping with tasks ...Study shows obesity adds years to real age
... Prevention Study-I,conducted from 1960 to 1972. A strength of the analysis was the large number ofsubjects. A weakness was that more recent data would have been preferable. None of the more than 62,000 men and 262,000 women subjects had eversmoked, was sick or had a history of heart disease, stroke, ...Magnet therapy: what's the attraction?
...But you will discover that placing a magnet of any strength against your skin produces no reddening at all." Other proponents suggest that the magnets cause water molecules in the blood to line up, somehow improving circulation. But according to John Schenck of the General Electric R&D Laboratory in Schenec...UCSF to attack HIV at molecular level with new center and $7 million in state funds
...ombine the next generationof HIV research with the strength of extensive, ongoing work by UCSF AIDSspecialists. "AIDS and HIV are not going away, so in addition to supporting four targetareas, the Center will serve as a breeding ground for new ideas that build onthe expertise and long experience of our team i...Novel neural net recognizes spoken words better than human listeners
..."white" noise,noise with amplitude 1,000 times the strength of the target auditory signal. Human listeners can...rcent recognition with ahubbub level 560 times the strength of the target stimulus.With just a minor adjustment, the system can identify different speakers of t...Use it or lose it applies to nervous system, scientists find
...r mechanism tothe one that is thought to alter the strength of synapses in the brain,"Lichtman says. "Therefore we'll be able to study the underlying mechanism in theaccessible neuromuscular synapse." The team's discovery also may explain why about 5 percent of patients whoreceive neuromuscular blocking agent...Stereotypes of aging may have significant effect on gaits of older persons
...ted in other studies of the effects of 12 weeks of strength training on walking in older persons. For his studies of gait, Hausdorff has developed special wafer-thin shoe inserts with recording devices in attached ankle straps. This way, he can measure natural stride-to-stride variations. Typically, the time ...