Computer simulation shows how fibrils form
...e the ingredients in a sandwich, layered above and below each other. In the end, the simulation showed a fibril-like structure with only a few outlying peptides refusing to aggregate. Hall says her method of reducing the level of detail in her protein model just to the point where the key features th...Brain imaging study of drunk drivers pinpoints neurological changes
...into other vehicles." When mildly intoxicated, but below the legal alcohol limit, he said, the drivers seemed aware of the fact that they were impaired and corrected for the deficit. The researchers also found that alcohol had a profound effect on some, but not all, brain circuits activated in sober drivin...Federal forum reports Americans aging well, but gaps remain
...52. Correspondingly, fewer older people are living below the poverty threshold. The percentage of older people living in poverty declined from 35 percent in 1959 to 10 percent in 2002. Between 1984 and 2001, the median net worth of households headed by people age 65 and over increased by 82 percent (aft...Infection puts extremely low birth weight infants at risk for developmental delays
..., estimated that as many as 50 percent of newborns below 1500 grams may fall into the ELBW category. The study enrolled infants weighing from 401 to 1000 grams at birth. In all, 6,093 infants were evaluated for this study. The infants were evaluated when they were between 18 and 22 months corrected gesta...Study clarifies impact of age on safety of warfarin treatment for atrial fibrillation
...ing an of INR of less than 2.0 did not reduce risk below that seen at an anticoagulation level of 2.0 to 3.0. "Our study emphasizes that physicians should aim for an INR range of 2.0 to 3.0 when prescribing warfarin for atrial fibrillation, even for older patients," says Fang. "Although we found that peop...Hepatitis C at epidemic levels among young injectors in London
...searchers recruited 428 injecting drug users, aged below 30 years or who had been injecting for six years or less, and followed them up one year later. The study was made possible through the use of saliva and blood spot tests for HCV and HIV developed at the Health Protection Agency Centre for Infections...Angioplasty, robotically assisted keyhole bypass combo appears effective
...-thoracotomy (about 2 inches wide) to supply blood below the obstruction. "The fact that this key-hole surgery is performed without opening the chest and without arresting the heart offers patients the best postoperative comfort level and aesthetic results," said Frank Van Praet, M.D., senior author of the...People on food stamps can't afford heart-healthy meals
...oston. Twenty-seven percent of its residents live below the federal poverty level, and according to self reports, they have some of the worst lifestyle habits in Boston. The cost of heart healthy foods coupled with the steep rise of coronary risk factors in this African-American community caught the atten...Study pinpoints schizophrenia brain glitch
...erent levels and types of activities. Delta waves, below 4 hertz, occur during sleep. Alpha waves, 8 to 13 hertz, occur at relaxed, quiet times. Beta waves are the next fastest, occurring when we are actively thinking. Gamma waves are harder for scientists to detect because of their low amplitude. But McC...ACE inhibitors not needed for many heart disease patients, according to new study
...n ejection fraction found to be normal or slightly below normal using standard imaging tests as a key criterion for enrollment. The two earlier trials did not document the participants' ejection fractions; thus, these participants could have had moderate to severe ventricular dysfunction. "While the resul...News tips for Sunday, November 7, 2004
...g blood pressure at the optimal level systolic BP below 120 mm Hg and diastolic BP below 80 mm Hg seemed to provide the most benefit in preventing AF. A systolic BP below 120 mm Hg was as...University of Pittsburgh researcher gets CDC grant to study youth violence
...nile arrest rate for violent crimes was 47 percent below its peak in 1994. Other collaborators on this study include Frederick Rivara, M.D., M.P.H., director of the Harborview Injury Prevention and Research Center in Seattle; Steve Wisniewski, Ph.D., associate professor of epidemiology at the University of...... to reduce greenhouse emissions by a total of 5.2% below 1990 levels among industrialised countries. But since the United States has backed out of the treaty, many experts say that even if all countries meet their targets, total emissions will be reduced by even less....Exercise for special populations, sensory research, factors impacting rehabilitation top issues
...to image the residual limbs of six volunteers with below knee amputations. Results showed that changes in volume over a 35-minute interval after prosthesis removal were greater than those experienced over a two-week interval. In four of the six volunteers, 95% of the volume increase was reached within eigh...New radiotherapy regime benefits young women with breast cancer
...t policy restricting boost irradiation to patients below a certain age threshold. If no patients received a boost then the overall local recurrence rate would be 6.5%, whilst treating all patients with a boost would result in a recurrence rate of 3.6%. A policy limiting the boost dose to patients 40 years ...Hmong face high rates of some cancers
...gree. Half of all Hmong families in the state live below the federal poverty level. More than 54 percent of Hmong families have seven or more members per household. AANCART is the largest project ever undertaken to reduce cancer in Asian Americans. Based at UC Davis, it includes researchers from seven othe...ESA looking for more European women to volunteer for WISE bed-rest study in Toulouse next year
...n in bed, slightly tilted head down at six degrees below the horizontal, for a total of 60 days. This serves to simulate the physiological effects of an extended period in weightlessness as experienced by astronauts. The study will assess the roles of nutrition and physical exercise in countering the adver...People are of 'two minds' on moral judgments
...t to a very large person. You see the same trolley below you. If you throw the person off the footbridge, you save the five people, but personally kill the large person. Should you throw the person off the footbridge? (Most people say no.) A key question, wondered the researchers, was what happens in the b...Child heart deaths at Bristol fall below national average
...e Bristol Royal Infirmary have fallen markedly, to below the national average, finds a study in this week's...tol fell from 29% to 3% over the same time period, below the national average. The fall in mortality did not seem to be due to fewer high risk procedures or ...Hib infections on the rise in adults despite child vaccination programme
...amme as babies though infection rates remain well below those seen before vaccination was introduced. Among adults rates have now reached levels higher than before the vaccination programme was introduced (0.27 cases per 100,000 in 2003, compared with 0.17 in 1992.) The apparent fall in the effectiveness...