Farming inside forests hurts bird communities more than timber harvesting, study suggests
...ll agricultural clearings were worse off than forests that had lost relatively larger areas to timber harvesting," Rodewald said....Memory loss after brain injury worse when E4 form of Alzheimer's gene present
...nction between the two groups. The E4 group showed worse recovery of general memory function after injury. Ongoing work at the Roskamp Institute is pursuing the findings. The study was conducted by researchers at the USF Roskamp Institute, together with the James A. Haley Veterans' Hospital and the Wal...Glaucoma leading cause of blindness in Hispanics
... 8 percent of study participants had visual acuity worse than 20/40. The prevalence of uncorrected vision increased with age from 3 percent in the 40- to 49-year-old group, to 34 percent in the group age 80 and up. Overall, those least likely to have their vision corrected by eyeglasses were older, had l...Fly brains provide new insights into the growth and development of human nerve cells
...d out that, the more Rac genes we knocked out, the worse the effect, Luo observes. When we progressively reduced Rac activity in the mushroom body neurons, defects occurred first in axon branching, followed by guidance and lastly growth. These results indicate that brain cells need large amounts of Rac GT...Other highlights in the Feb. 20 issue of JNCI
...substantially more African-American patients had a worse performance status (the ability to perform physical activity) and had experienced weight loss associated with their disease. (Both of these factors are known to have a negative impact on survival.) After the investigators performed statistical tests ...Information technology provides biologists with new tools for biodiversity conservation
...the gene pools, have declined significantly, or in worse case scenarios, become extinct. He will report on the progress of DNA Banks for Endangered Species, an international collaborative effort that is working to anticipate the needs for, and secure long-term access to, genetic materials for biodiversity ...Hormone therapy may boost quality of life, say Stanford researchers
...strogen. Those women who did not have symptoms had worse physical function and lower energy levels when taking hormone therapy. Previously, doctors prescribing hormone therapy had not anticipated an ill effect on women's health and energy - in short, their overall quality of life. These results make...Race influences outcome of liver transplants, according to Hopkins study
African Americans and Asians have a worse outcome than white Americans and Hispanics after liver transplantation, both in terms of graft rejection and survival, according to a new Hopkins-led study reported in the Jan. 26 issue of The Lancet. Scientists analyzed data on age, sex, race, blood...New report documents dramatic decline in beluga sturgeon in the Caspian Sea
.... The species has reached a critical point that is worse than we expected. The survey report shows that in just the past seven years, there has been more than a 40 percent decline in mature beluga sturgeon in the northern part of the Caspian Sea, and it shows no evidence of mature beluga sturgeon in the mi...Pain in the gut? Don't blame stomach acid
...hy inhibiting acid production could make gastritis worse ANN ARBOR, Mich. - When it comes to cooling the burning pain of gastritis or an inflamed stomach lining, reducing the amount of acid in the stomach may seem like a good idea. But two new studies with laboratory mice, conducted by Howard Hughes Med...Like storm clouds, natural disasters carry a silver lining, biologist says
...a huge mistake that makes the inevitable fires far worse when they do come, he said. Small fires can sweep through a healthy young forest quickly with minimal damage. When the Park Service and other agencies prevent fires, dead trees and branches build up, eventually contributing to larger fires that burn ...U. of Colorado researchers identify switch that controls aging in worms
...if DAF-16 is off, the result is more reproduction, worse cell repair and a shortened lifespan," he said. Johnson authored a milestone paper in 1990 in Science magazine showing that mutating a single gene in roundworms could double their lifespan -- the first researcher discovered the lifespan of an animal ...Scientists using gene chips identify a unique form of leukemia
... recur fatally. Thats why the prognosis is so much worse than for most types of childhood leukemia, which t...rcent. But a minority of ALL patients have a much worse outlook. Among these high-risk cases, which amount to a few hundred babies a year, a small number d...Scientists tackle international environmental problem ballast water
...ns of pounds each year and which scientists say is worse than an oil slick. The University of Newcastle upon Tyne, UK, is leading the 3.5m project which looks at ways of treating potentially harmful ballast water. Ships are designed to carry heavy cargoes and can be unstable when empty so they take in wa...Skin expert issues winter sports warning
... more UV radiation than at sea level. This is made worse by the fact that the parts of the body usually exposed to the sun on a ski holiday particularly the face - are the most likely areas for skin cancer to develop. In addition, keen skiers and snowboarders will be exposed to the suns UV rays on the ...Depressed heart attack survivors unlikely to change behavior
... 31 patients (20 percent). Within that group, the worse the patients perceived their health to be, the higher their levels of depression, hypertension and diabetes. They also were more likely to have had a prior heart attack, high blood pressure and a higher degree of heart dysfunction after the heart at...Gene chips bring new order to lung cancer types, could yield sharper diagnoses, better drugs
Technique can identify tumors with worse prognosis BOSTON Using miniaturized chips that...xample, patients who had the C2 adenocarcinoma had worse survival than those with any of the other three: their median survival was 21 months compared with 4...Estrogen doesnt prevent second strokes: protective effects of hormone replacement therapy challenged
...trokes in that group were associated with slightly worse neurological and functional impairments at 1 month after stroke. The risk of stroke within the first 6 months after enrollment in the study was also higher among women in the estrogen group. There were no significant differences between treatment ......onists alone, however, suffered from significantly worse symptoms compared to those treated with inhaled steroids alone or with both medications. These findings were reported in the May 23, 2001, issue of the Journal of the American Medical Association. Another recent study, NHLBI's Childhood Asthma Manage......function as conservation surrogate may be an error worse than making decisions without the use of umbrellas at all," he says....