Testosterone May Affect Learning Skills; May Be Put In Tablet Form
...It is unclear whether estrogen replacement therapy increases the risk of breast cancer. Hopkins scientists also are investigating whether estrogen has a role in brain function, including preventing or delaying the onset of Alzheimer's disease. Other authors of the current study were J.B. Rich, M.D., of York Un...Raising The Retirement Age In The United States Could Save Billions In Social Security Payments
...he retirement age decreases payments for a yearand increases revenues for a year. To come up with their findings, Manton and Tolley studied health and mortalitydata from several National Long Term Care Surveys -- longitudinal surveysof the U.S.'s elderly population sponsored by the National Institute onAging ...ACTG 315 Preliminary Results: Drug Cocktail Restores Partial Immune Function
... OI prophylaxis once it is indicated,despite early increases in CD4 counts." In the three-month analysis, Dr. Lederman's group found that the increase in CD4+ T cells couldbe attributed to both more memory cells (those that have encounteredHIV before) and more naïve cells (those not exposed to HIVor anoth...UNC-CH Study Shows State Protects HMO Clients Poorly
...here grew steadily in the early 1990s, with annual increases of between 50,000 and 100,000 people, Silberman said. By the end of 1996, 954,967 people were enrolled in full-service HMOs or point-of-service plans across the state. “In general, we found that the North Carolina Department of Insurance does ...Kids Near Airports Don't Read As Well
...s. "Unfortunately, we're experiencing exponential increases in worldwide, ambient noise levels that are a byproduct of economic development, particularly prevalent among economically underdeveloped countries." The research was supported by the Cornell College of Human Ecology and the National Heart, Lung a...Researchers Gain Insights Into Drugs Used For Manic-Depression
... Their earlier research revealed that lithium increases release ofthe neurotransmitter glutamate, in turn activating a receptor, NMDA,through which calcium must travel to enter a brain cell. Activation of theNMDA receptor also elevates levels of IP3, which is associated withcalcium, the substance that co...Study Injects New Interest In How Vaccines Work
...led over the mechanism by which aluminum hydroxide increases the production of antibodies, the tiny amounts of the substance used in vaccines made it impossible to track or analyze it once it was injected into the body, Hem says. "The most popular theory was that it created a 'depot effect,' where the aluminum...Targeted Protein Toxin Effective Against Persistent Brain Tumors
...producing cells to deliver a herpes virusgene that increases tumor cells' sensitivity to the antiviral drug ganciclovir. The patients were later treated with ganciclovir to kill the tumor cells. However, this therapy worked only against very small tumors in four of the 15patients who were evaluated. The NINDS,...Benefits Of Annual Mammography Outweigh Radiation Risks Of Cancer
...erica in Chicago. The study compared the increases in life expectancies that women gained through screenings against those potentially lost to radiation-induced cancers. Dr. Feig analyzed a variety of studies on radiation risks and mammography benefits. Dr. Feig notes that screenin...New Math, High-Tech Imaging Solving Old Riddle: How Does The Brain Operate When We Think?
... because when 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 abnorm...Airport Noise Can Seriously Affect The Health And Psychological Well-Being OfChildren
...ificantincreases in blood pressure and significant increases in stress hormones(epinephrine, norepinephrine and...ntdecline in their quality of life. "Although the increases in blood pressure were modest in the children livingunder the flight path, they may predict a greate...Tighter Chemical Binding = Better Meds
...ted cells. Vast Increases in Computer Speed Vast increases in computer speed in recent years make it possibleto perform complex computations of chemical processes in minutes insteadof days, said Jorgensen, who has created a supercomputer in his Yalelaboratory by linking together 25 Pentium machines in a netw...X-Rays: How Big A Risk To Kids? UF Researchers Seek Answers
...ldren absorb fromdifferent types of exams or if it increases their risk of developing canceror leukemia later in life. Hintenlang, who is researching the subject for her doctoral studies inenvironmental engineering, conceived the study after noticing premature andailing newborns in the neonatal intens...... in 1994 to 94 percent by June 1997, with dramatic increases notedin prescription of combination regimens including protease inhibitors from 2percent in mid-1995 to 82 percent by June 1997. Similarly, incidence of three major opportunistic infections, Pneumocystis carinii pneumonia, Mycobacterium avium......in and carboplatin safer and to provide meaningful increases in tumorresponse rates." BioNumerik Pharmaceuticals, headquartered in San Antonio, Texas, is an emergingpharmaceutical company with an innovative, proprietary technology platform forthe rapid discovery and clinical development of small molecule base...First Trimester Screening For Down Syndrome Possible, NICHD-Funded Study Finds
...ng 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 1 in 1,000. By age 35, the risk is 1 in 400, by age 40, 1 in 105, and by age 49, 1 in 12. Currently, the most effective way to d...Higher Prices Won't Stop Teenage Smokers
...t started to smoke in 1988 --the effect that price increases seemed to have on teen smoking disappeared. The researchers presented their findings at the American Economics Association annual meeting in Chicago in early January. The research was supported by the Bronfenbrenner Life Course Center at Cornell an...Fat: It's Not For Breakfast Anymore; Study Finds Fat Linked To Clotting
...ight raise the risk of heartdisease. "Factor VIIa increases after intake of dietary fat," says Mennen, thestud...s not enough information to know if a fat-richmeal increases a person's risk of heart disease directly, since the study onlylooked at the association between fat...New Stroke Treatment Likely To Decrease Health Care Costs And Increase Quality Of Life
...nursing homes. The cost of t-PA treatment increases hospital costs for patients whenthey are first admitted. However, because t-PA shortens hospital stays anddecreases long-term disabilities, there is a net savings. For 1,000 t-PApatients, the researchers estimate an initial increase in hospital co......, Briasays, clearly reduces the cost of asthma and increases patients' quality oflife....