Dangerous Chemical Combination Presents Possible Scenario For Gulf War Illnesses
...ble BuChE." Abou-Donia said an additional genetic risk factor arises in some individualswho have a faulty...ed ability to inactivate drugs or pesticides. This risk factor,which affects only 3 to 4 percent of the population, may boost the toxicityof these chemicals...Tumor Suppressor Gene Located In Liver Cancer Cells
...r species susceptibility to liver tumors and human risk assessment. Animals and humans have two functional copies of almost every gene, one from each parent. In rare cases, a gene is imprinted, meaning that only one of the parental copies is active. The M6P/IGF2r is especially unusual, because it is imp...Second Breast Cancer Gene Located
... not appearto put women at a significantly greater risk of developing ovarian cancer,although the risk is still higher than the general population, the researcherssaid. A total of 182,000 U.S. w......re limestone crystals," said Ku, thus reducing the risk of a sample's being accidentally contaminated by older or younger non-carbonate material. The mass spectrometric method also extends the time horizon for the method, allowing scientists to date material as far back as 600,000 years. In addition to us...Duke Researchers Find Second Gene Linked To Blood Vessel Disorder
...d to defects in theendoglin gene have an increased risk of developing lesions in their lungsthat can lead to serious, secondary neurological problems. About 30 percentof people with this form of HHT develop these lung problems. "We are developing a genetic screen that would identify these peopleso they...Race Plus Roaches: A Breathtaking Link
...oach allergens are known to represent an important risk factor for acute asthma, a condition that causes t...eir bedrooms were allergic to the allergens. Other risk factors, such as age, gender and place of residence, were studied. But none proved as significant as...Mutate Or Die: New Polymerase Gives Desperate Yeast An Option
...hat is copied to other cells carries a muchgreater risk of causing cancer and other diseases than healthy ... mutations as "normal"yeast. Mutations are a risk wherever there is damaged DNA -- and damaged DNA is an unavoidable fact of life. Itcomes not only fr...NADC Examines TB In Cattle and Swine
...e swine in studies by the NADC team to researchthe risk of M. bovis infection caused by the consumption of meatcontaminated by the organism. The project began with studies determine ifswine could be used as an animal model of human tuberculosis. The researchersfound through their experiments that swine ...Humble Pocket Gophers Shed Light On The Genetic Fortitude Of Cheetahs
...ality, problems with captive breeding, and greater risk of decimation by a virus or other disease. Some field ecologists doubt parts of O'Brien's analysis. They point to apparent weaknesses in the design of the skin-graft experiment; for instance, the researchers used skin from domestic cats as a control....Researchers Find Genetic Clues To Intestinal Disease
...onsible for the disease and help identify those at risk for developing it," says Bayless. In a related study in the September issue of Gastroenterology, the Hopkins researchers found that, although the disease can cause a variety of symptoms, it tends to strike the same part of the intestine and cause th......he question of whether smoking increases a women's risk of developing breast cancer may lie in her genes, ...day 20 years before diagnosis, had seven times the risk of developing breast cancer than women born with the fast-acting gene. The risk was highest f...Siblicide In Nature: Study Of Galapagos Seabird Finds Death Can Ensure Species Survival
...arget. By laying two eggs, boobies decreased their risk of total reproductive failure to about 16 percent. But what about the violence and the collaboration between parent and child to eliminate the second-born chick? From 1992 to 1995, Anderson and the Wake Forest graduate students taking part in his Na...Selenium Supplements Can Reduce Cancer Rates
...ent of selenium, as a single agent, can reduce the risk of cancer," said Gerald F. Combs Jr., a nutritiona...enium levels in the blood were linked to increased risk of neoplastic polyps in the colon, a precursor to colorectal cancer. And in other studies at Cornel...Blood Test Can Identify Some Children With Strep-Related Behavioral Disorders
...aid. "If we could potentially screen children at risk when they're young, wecould watch the children who have this trait marker for rheumatic fever moreclosely and catch them right away if they begin to show OCD or tic symptoms," said Leonard. "We can also see if there is a way to prevent illness onset ...Ten Years of Progress For Superfund Basic Research Program
...sists of severalprojects, but focuses primarily on risk assessment andbioremediation of compounds that don...ding tin, arsenic and chromium. The key toaccurate risk assessment is knowing not only how much metal ispresent, but the exact form the metal is in. "For ex...Pets Provide Physiological Benefits For Women Living Alone
...lated rise in blood pressure that can increase the risk of stroke and heart attack. Unfortunately, a growing number women, particularly older women, live alone, often in isolation. New research from the University at Buffalo presented here today (March 21, 1997) shows that for these individua......at about 40 percent of carriers do not report such risk factors. The nation's blood supply has been tested for hepatitis C since 1990. The disease causes symptoms such as fatigue, nausea, loss of appetite, dark urine and jaundice, but up to 70 percent of patients lack symptoms in the early stages. In...NIH Team Discovers Endocrine Tumor Gene
...y, doctors will soon be able to screen families at risk for MEN1 more easily and eliminate periodic blood tests for those with normal MEN1 genes. They hope to learn from MEN1 and its protein product, called menin , how endocrine tumors and cancers grow. The discovery also provides a target for the desi...Low Iron Levels Cause Weakness In Women Who Are Not Anemic
...ive women and vegetarians are at particularly high risk for iron depletion, the researchers point out. "This suggests that millions of women are impaired -- working harder than they need to for the same amount of exercise or physical work," said Jere Haas, Ph.D., the Nancy Schlegel Meinig Professor of Mat......nsecticides and increased concernsabout the health risk of pesticides....