Tag: "risk" at biology news
Kaposi's Sarcoma Caused By Virus Usually Transmitted Through Homosexual Sex, According To UCSF Study
... Kaposi's sarcoma, and that the markedly increased risk
ofdeveloping Kaposi's sarcoma in the HIV-positive men studied was dependent oninfection with HHV-8 alone, rather than on some other sexually transmittedorganism. This finding provides the strongest proof to date that HHV-8 is acause, not a result, o...
Echocardiography Is Effective In Measuring Microvascular Damage From Heart Attacks
...ers from a heart attack. This can put a patientat risk
for later complications, such as another heart attack, congestive heartfailure or stroke. Researchers compared CE to MRI by blocking coronary arteries in animalmodels for 90 minutes to simulate a heart attack. Then they observed the returnof...
Rockefeller University Researchers Hunt For Type 2 Diabetes Susceptibility Genes
...ation. Genes constitute some of the most important risk
factors for type 2 diabetes,although environment also plays a role in the disease. Most common forms ofdiabetes are polygenic, meaning that more than one gene is involved in thedisease, making it difficult to identify the genes responsible. By enroll...
Adults Need To Increase Intake Of Folate; Some Women Should Take More
...00 micrograms of folic acidper day to reduce their risk
of having a child with neural tube defects,accordi...ny otherfoods in the United States. To reduce the risk
of neural tube defects, womencapable of becoming pregnant should consume 400 micrograms of folic aci...
Scientists Seek Early Warning Of Drinking Water Threats
...n bevery large. We want to ensure there is minimal risk
of public exposure."...
No Ode To Joy From Food Scientists Over New Edition
...ing it to order, or home grinding it canreduce the risk
of E. coli O157:H7 contamination. Fact : No studies support these recommendations, and the opportunity forcross-contamination increases markedly with home grinding. For a copy of Bruhn's column, "No Rejoicing with Joy of Cooking,"contac...
Smokings Effects On Pregnancy Not Mitigated By Prenatal Vitamins, UB Study Finds
... Maternal and Infant Health Survey showed that the risk
of adverse outcomes were higher among smokers than...smoke and take vitamins do not really minimize the risk
of pre-term birth, low-birth weight babies and babies who were smaller than average for their gestat...
Obscure Enzyme May Play Major Role In Heart Disease
...n the activity of paraoxonase in the blood and the risk
ofheart disease. Lower activity is associated with...rosclerosis. He has shown that patientswith a high risk
of coronary heart disease have increased LDL oxidation. He hasalso shown that mice and humans given ...
Researchers Discover How Ulcer Bug Becomes Antibiotic-Resistant
... than half the world's people and is a major early risk
factor for stomach cancer. The researchers' findings also raise concern about a possible linkbetween the drug and stomach cancer in people infected with H. pylori. "The real danger lurks when a person takes metronidazole without the complete ...
Evaluation Of The Two Types Of Cardiac Pacemakers Indicates Only Modest Differences In Value
...y in placement, shorter battery life and potential risk
ofcomplications for the pacemaker itself, as well as the extra cost. The answerseems to be that in many cases it is not." The 29-center study, called the Pacemaker Selection in the Elderly Trial,involved patients diagnosed with either sinus node dys...
Researchers Discover Existing Drugs May Prevent Enlarged Hearts
...re for acondition that puts 5 million Americans at risk
for sudden death -- an enlarged heart, orcardiac hypertrophy. In groundbreaking research Dr. Eric Olson, chairman of molecularbiology and oncology, and his colleagues discovered a molecular pathwaythat leads to heart enlargement and have foun...
Fruits And Vegetables Protect Lungs
...zations a year. Cigarette smoking is the principal risk
factor for COPD, say the researchers, yet only 15 percent of cigarette smokers develop COPD. To try to figure out why, Hu and Cassano examined the 1988-1994 National Health and Nutritional Examination Survey of 18,162 randomly selected adults in the...
Antioxidants May Reduce Harmful Complications Of Diabetes
... "It appears that this depletion is a major risk
factor for developingcomplications, and that antioxidant supplements could lower this risk," heconcluded. Opara prepared the results of his studies for presentation Sunday (April19) at Experimental Biology `98, the annual scientific meeting o...
Renowned Breast Cancer Experts Present Latest Findings At UCSF Cancer Center Symposium
...ncidence and mortality. Ernster also will discuss risk
factors for breastcancer, including lifestyle, hormonal, and environmental factors; possiblepreventive strategies; and the pros and cons of mammography screening. Ernster, who along with her colleagues has described an "epidemic ofdiagnosis"...
Aspirin's Preventive Action In Heart Attacks Tied To Genetics
...scovery could be used to determine which people at risk
for heart attacksand heart disease might benefit m... 50 percent of a normal populationcan reduce their risk
of a heart attack if they take daily doses ofaspirin. But until now, researchers didn't understand w...
Jefferson Scientists Devise Way To Treat Animals Chronically Infected With Hepatitis B
...pulation that ischronically infected have no known risk
factors. Those at risk
for contracting HCV include intravenous drug abusers, andthose who had transfusions prior to 1990, w...
New Clue To apoE Function
...rticular form of the protein apoE are at increased risk
fordeveloping Alzheimer's disease. They have been frustrated, however, becausethere has been no way to find out how the biological effects of this variant,called apoE4, differ from those of apoE3, the most common apoE in humans.Researchers at Washing...
Two Environmental Articles: Deformed Frogs & Dioxin In Old Soil
... 1970s to control fleas and mosquitos, posedlittle risk
to the development of amphibians. However, when exposed tosunlight, water and microorganisms, La Clair found that S-methoprene breaks upinto other products that dramatically alter embryo development. By addingminute amounts of these degradation pr...
Invasive Weeds Pose Major Threat To American Landscape
....S. ecosystems and lands at anincreasingly greater risk
of damage due to invaders." USDA Deputy Secretary Richard Rominger likewise called for a "greater awarenessof the impact of non-native invasive plants on all ecosystems, be theyagricultural or natural areas." The report calls the threat of ...
Homocysteine: A Possible Risk Factor For Alzheimer's Disease
...evation in blood levels of homocysteine is a known risk
factor for heartdisease and stroke. Researchers fo...f the report,`Hyperhomocysteinemia: an independent risk
factor forhistopathologically-confirmed Alzheimer's disease - Professor David Smith, Dr RClarke, Dr ...
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