Sex Differences In Heart Disease May Be Due To Enzyme That Breaks Down Fat
...erences in the risk of coronary artery disease,the cause of heart attack. Pre-menopausal women have lower cholesterol levelsand higher HDL levels (the good cholesterol) and lower heart disease rates thanmen," says the study's lead author, John E. Hokanson, Ph.D. "We have observed in the past that there a...Soy Phytoestrogens Reduce Carotid Atherosclerosis As Much As Premarin
...ockage of the internal carotid artery is a leading cause of stroke. The team found that hormone re...erapy inpreventing stroke. Stroke ranks third as a cause of death for middle-aged andolder women. A 50-year-old white woman has a 20 percent probability ofde...Gene-Reading Problem Linked To Lou Gehrig's Disease
...r to ALS. Rothstein's group next looked for a cause of the RNA problems andunexpectedly foundthat when the cells translated the genetic material, they cut and pastedrandomly instead of atspecific spots. Something may be wrong in the biochemical machinery the body uses to decodetheEAAT2 gene, Rot...Vascular Surgeons Test New Treatment For Abdominal Aneurysms
..." Called silent killers because they often cause no symptoms, aneurysmsoccur in more than 5 percent of people age 60 and older. The incidence ishigher among smokers, although aneurysms usually occur as the normalwear-and-tear aging process weakens the arterial wall. Sometimes they resultfrom traum...UNC-CH Researchers Discover Key Cancer Control Mechanism
...t will reduce P53 even incase of damage that might cause cancer." MDM2, which researchers call a proto-oncogene, is amplified, forexample, in almost half of sarcomas, a cancer of bones, blood vessels and othertissues. A proto-oncogene is a gene all humans carry that results in cance...'Mean Gene' Found In Africanized Honey Bees
...In areas where they have invaded, Africanized bees cause many beekeepers to quit the business -- already many beekeepers in Mexico have stopped keeping bee hives because of the eager stingers. Although Africanized honey bees are rarely the "killer bees" of 1970s Movie-of-the-Week fame, they are decidedly m...Researchers Discover Ways The Ulcer/Cancer Bug Can Trigger Disease
... that can berelatively harmless in some people and cause cancer in others," Gordon says."The challenge is to identify patients who are at risk for developing moreserious disease." Look into the stomach of an infected person who has severe gastritis orulcers, and you'll see H. pylori associated with...EPA Should Redirect Some Research on Toxic Airborne Particles
... be harmful to human health, theways the particles cause damage, and the levels of exposure people actuallyreceive. "Recent studies have consistently shown that airborne particles are somehowassociated with adverse health effects, especially for people with heart andlung ailments," said committee chair Jon...Purdue Research Helps Keep Phosphorus Out Of Surface Water
...w years ago that excess phosphorus in rivers could cause trouble, but they thought most of it came from urban and industrial waste, not farm fields. "Even 10 years ago the prevailing thought was that phosphorus in fields didn't move, unless it eroded away with soil," says Purdue agronomist Brad Joern. Phos...Rockefeller University Researchers Hunt For Type 2 Diabetes Susceptibility Genes
... Genetics. "We hope that by identifying genes that cause type 2 diabetes we can developbetter diagnostic tools and improved drug therapies, and in the long term, apossible way of preventing this disease," says Assistant Professor MarkusStoffel, M.D., Ph.D., principal investigator of the study and head of t...Adults Need To Increase Intake Of Folate; Some Women Should Take More
...r day for adults. Intakes above this amount could cause sensoryneuropathy, a nerve disorder that can lead ...per day for adults. Intakes above that level could cause hypotension, or low blood pressure, and afishy body odor in some people. Because the committee was ...Extra Choline During Pregnancy Enhances Memory In Offspring
... time that a common food nutrienthas been shown to cause permanent brain changes in regions responsible forlearning and memory. The findings could have important implications --especially for pregnant women and their children -- if choline proves to havethe same memory-enhancing effect in humans, a theory...MSU Scientists Eavesdrop On Bacterial
...r called P. aeruginosa. P. aeruginosa is the No. 1 cause ofhospital acquired infections, the chief organism in burn and open-woundinfections and a key player in infections in cystic fibrosis patients, accordingto Davies. The bacteria are excreting homoserine lactones all the time, but whenenough ba...Eviction From Scum Home Makes Disease-Causing Microbe Vulnerable
...the armor ofan opportunistic microbe that is a top cause of infections inhospitals. By genetically altering...r catheters. Altogetherit's the single most common cause of infections acquired bypatients during their stay in the hospital. The bacteria are alsoa big kill...Scientists Seek Early Warning Of Drinking Water Threats
...rately detect many of thewaterborne pathogens that cause illness, some newly-identified types may havebeen causing low levels of disease for years. That's true of several pathogens in the study. A class of viruses calledcaliciviruses has been traced to recent waterborne outbreaks in the UnitedStates. The b...Retinoic Acid Used In Cancer Treatment
...can use the same chemical-signalling cascades that cause cell growth instead to arrest growth. "Retinoic acid can reverse the defect in growth control that was caused by the viral agent and result in cell-growth arrest," Yen says, describing his experiments with cell cultures. "Now we need a deepe...New Sunspot Cycle To Be Bigger Than Average
...tter of scientific curiosity. An active sun can cause geomagnetic storms that endanger satellites and disrupt communications and power systems on Earth . It also heats the Earth's outer atmosphere so that spacecraft are exposed to more atmospheric drag and to greater erosion by atomic oxyge...Possible Trigger For Heart Failure Identified In Lab Animal Studies
...ongestive heart failure is thesingle most frequent cause of hospitalizations for people age 65 or older,according to the American Heart Association. From 1979 to 1995, deaths fromheart failure increased 115.7 percent. In the study, researchers developed two lines of transgenic mice whichexpressed ...First Evidence That Localized Arthritis Gene Therapy Heals Distant Diseased Joints
...nd TNF" receptor genestraffic through the body and cause anti-arthritic responses in joints that have not been directly injected with these genes," added Dr. Ghivizzani. The research on arthritis gene therapy is part of a large researchinitiative to develop effective gene therapies for arthritis. ......one can be extremely painful andeasily broken, and cause severe consequences, including pathological fractures,impairment of limb function, facial and limb deformities, and compressive damageof sensory nerves resulting in blindness or deafness. When the investigatorsremoved stromal cells from marrow lesio...