Study Demonstrates Safety & Effectiveness Of Asthma Drug
...a major causeof lost wages and school absenteeism, resulting in estimated annual healthcare costs of more than $4.6 billion. Prior to 1990 most asthma experts believed that prescribing beta-agonistson a regularly scheduled basis improved overall control of asthma symptoms.Several studies since then have sugge...A Surgical Semiconductor Laser With More Precision And Power
...he layers we're inserting induce negative bending, resulting in a net bend of zero for the laser beamand keeping it sharply focused." While a prototype has yet to be built, Agrawal says that the new laser performed well in computer simulations. Headds that since the inserted layers are made of the same se...NIAID Stops AIDS Study Prematurely Because Drug 'Cocktail' Boosts Survival
...l develops, but the core cannot, and therefore the resulting virus is not infectious. Drugs such as ZDV and 3TC work by inhibiting an enzyme called reverse transcriptase. That enzyme enables the virus' genetic material, or RNA, to convert human genetic material known as DNA into more virus. The Food and Drug...New Drug For Parkinson's Disease Proves Effective, Study Finds
...ole dihydrochloride does not cause lightheadedness resulting from a noticeable drop in blood pressure when a patient stands up. Dr. Kieburtz says that's probably because the drug targets the specific dopamine receptor involved in Parkinson's disease more precisely. "Pramipexole dihydrochloride had a very ...Psychiatric Symptoms May Signal Brain Damage From Diet Pills
... loss of brain serotonin nerve terminals, possibly resulting in symptoms of anxiety, depression, cognitive and sleep problems, suggests the first author of a newly published report on fenfluramine side effects. National Institute of Mental Health researcher Una McCann, M.D., and colleagues, report on their ...Princeton Plasma Physics Laboratory collaborates with USDA in development of pasteurization process
...direct method often heats foods unevenly, possibly resulting in incomplete pasteurization in lower temperature regions and in denaturing foods in overheated regions. Using radio frequency waves in the appropriate wavelength may allow pasteurization without heating liquid foods to temperatures that cause food d...Cardiovascular Costs, Deaths Projected To Rise In 1998
...edical durables.Also included is lost productivity resulting from the number of people who areill or have died ... Heart Associationestimates that lost productivity resulting from deaths from cardiovasculardisease will cost the United States $77.9 billion in future earnings....Radon, Especially In Combination With Smoking, Contributes To Lung Cancer Deaths
...neously decay, or change to other atoms. When the resulting atoms are formed, they are electrically charged and can attach themselves to tiny dust particles in the air. The radiation given off by inhaled particles cannot travel far enough to reach cells in organs other than the lung, so it is likely that lun...Chemist Turns To Self-Assembly To Create New Drugs
...hemistry thengoes to work to "decide" which of the resulting compounds bestmatches the prospective drug's DNA, ...n easily break away from their metalmooring if the resulting compound doesn't succeed in binding thetarget molecule. This gives them the chance to try their luck...Airport Noise Can Seriously Affect The Health And Psychological Well-Being OfChildren
... new CornellUniversity study. The health problems resulting from chronic airport noise,including higher blood pressure and boosted levels of stress hormones, theresearchers say, may have lifelong effects. "This study is probably the most definitive proof that noise causes stress andis harmful to humans," s......t appear --at the physician/patient level -- to be resulting in substantial differences inthe level of services provided per patient. For example, we see no evidencethat such physicians are 'churning' services to increase revenues per patient."In contrast to their findings on physician compensation, researche...First Trimester Screening For Down Syndrome Possible, NICHD-Funded Study Finds
...referred toas Trisomy 21, is a genetic abnormality resulting from either an extra copy ofchromosome 21 or from an extra portion of the long arm of the chromosome. Therisk of the condition increases sharply with maternal age. For women under age30, the risk of conceiving a fetus with Down syndrome is less than...Adding Progestins May Negate Heart Protection From Estrogen Replacement Therapy
...nd high blood pressure can damage the endothelium, resulting in adecrease in vascular reactivity. To determine the effect of ERT plus progestins on the blood vessels,researchers performed a study that divided 100 postmenopausal women into twogroups; one received ERT plus progestins and the other recei...Neurotransmitter-Induced Electrical Activity Identified As Key Regulator Of Synaptogenesis
...eurotransmitter, namely glycine, they open and the resulting ion flux generates a local change in ...f voltage-gated calcium channels. The resulting calcium influx triggers a second messenger cascade which together with additional presy...Researchers Synthesize Compounds For New Class Of Antibiotics
...f infectious diseases has soared, alongwith deaths resulting from them. At the same time, the need for new antibioticshas risen steadily as bacteria have developed a resistance to existing drugs.The worldwide market for anti-infective drugs is now estimated to be $34billion, and it is still growing. "T...Scientists Create Extremely Sensitive Test For Detecting Radiation Damage
... sample, and electronicequipment then monitors the resulting fluorescence. Higher light intensitycorresponds to more damage. In the experiments reported in Science, the researchers demonstratedboth the sensitivity of their new method and that DNA repair can be accelerated.They subjected cultured cells......cotic analgesicsto treat the significant bone pain resulting from the spread of the cancer tothe bones. Patients who had received radiation within 28 days or had previouslyhad chemotherapy, were excluded from the study. The most common adverse effects in both groups of patients were rash, weakness,fluid rete...Metrifonate, A New Alzheimer Drug, Helps Behavior Problems
...University School of Medicine. Morris reviewed the resulting data as anindependent scientist, without compensation from Bayer. Metrifonate belongs to a class of drugs called acetylcholinesterase(AChE) inhibitors. These drugs slow the breakdown of a chemical messenger calledacetylcholine, which is in sh...States Must Be Held Accountable For New Health Plans For Children
... deafness. Language or other developmental delays resulting fromuntreated neurological problems can inhibit normal development and socialinteractions. Uninsured and underinsured children presently receive a patchwork of care from"safety-net" providers at hospitals, clinics, public health departments,community...... hours, as well as a low rate ofinjuries to organs resulting from the use of an endoscope during surgery (ineach case, rates are less than one percent). An endoscope is a tool that allowssurgeons to view necessary organs without having to make a large incision. "MMI's goal is to help clients take a more syst...