Ground-level ozone linked to increased mortality
...problems. The increase in deaths occurred at ozone levels below the Environmental Protection Agency (EPA) cl...ease of 10 parts per billion (ppb) in weekly ozone levels was associated with a 0.52 percent daily increase in deaths the following week. The rate of daily ca...Study links ozone, mortality in urban areas
..."By linking day-to-day variations in ambient ozone levels and daily number of deaths in each of the urban ar...es the mortality impact associated with high ozone levels in the past few days, not the impact associated with a lifetime exposure to high ozone levels," said...Other highlights in the November 17 JNCI
...f Colorectal Cancer A new study finds that higher levels of selenium in the blood may be associated with a ...Prevention Study--to assess the effect of selenium levels in the blood on colorectal adenoma recurrence. Trial participants who were in the highest quartile f...Poisoning solved after millions of years
...ant mares which were found at completely different levels in the oil shale at Messel all died at the same time of year, as the foetuses were at the same stage of development. Among the tortoises there were also five pairs which died during copulation, i.e. during the breeding season. One more piece of the p...Researchers discover new way to boost grain crops' drought tolerance
...ne in particular that produced substantially lower levels of the hormone. Leaves from this mutated plant rem... the leaves of the altered plants contained higher levels of chlorophyll and leaf protein, and functioned better than control leaves. "Thus, they are better ...Tips from the Journals of the American Society for Microbiology
...iterature indicates that 500 to 5,000 times higher levels ofantibiotics are needed to achieve the same antimicrobial effects onbiofilm organisms as on planktonic microorganisms," say the researchers. In the study researchers examined whether or not electric currents(direct currents and block currents) would...Heart responds to fasting by remodeling vital energy-producing components
...ies of mouse heart muscle, the research team found levels of two members of a class of lipids (fatty molecul...n food was withheld. For one type of phospholipid, levels decreased by 20 percent after only four hours of fasting and for the other, levels dropped a remarka...Down Syndrome protein reduces tumor growth
...tes Dr. Minami. "DSCR-1 may be expressed at higher levels in patients with Down syndrome. Based on the results of the current study, it is interesting to speculate that the DSCR-1 auto-inhibitory loop in endothelial cells is responsible--at least in part--for the reduced risk for tumors and atherosclerosis ...Low-carb diet during pregnancy improved triglycerides, fat metabolism in offspring
...ation were likely to have lower liver triglyceride levels in adulthood than pups born to mice on the standar...atic. In humans, maintenance of low triglyceride levels and a good lipid (fat) metabolism is important as these factors can reduce the risk of developing co...Studies suggest promising new directions for gallstone treatment
...out mice revealed cholesterol saturation and lower levels of biliary lipids, resulting in cholesterol crystals -- conditions that closely matched those seen in humans with CGD. They also found that the bile acids created the same hydrophobic conditions and inflammation that are hallmarks of the human diseas......to crack cocaine and became immobile at much lower levels than normal fruit flies. Heberlein's group a...ted gene was the same--Lmo. The Lmo protein, whose levels were reduced by the mutations, is known to regulate certain transcription factors during development...Hold the stuffing: Low-glycemic diet may help keep weight off
...ted and that raise blood sugar and insulin to high levels -- such as white bread, refined breakfast cereals,...tes) and serum triglyceride and C-reactive protein levels (risk factors for cardiovascular disease). They now have a long-term study, in a larger group of sub...Genetic discovery paves way to decode sense of smell in mammals
...smell, the team created cells with constantly high levels of RTP1, RTP2, REEP1, and another protein known to...actory receptors. The enhancement of these protein levels made it possible for the researchers to induce the newly created cells to express odorant receptors ...Scientists generate human islet precursor cells in culture
...body cannot produce or replace beta cells, insulin levels fall causing blood glucose levels to rise and diabetes results. This study's findings may eventually have implications for islet tran...New findings in innate immunity may lead to treatments for atherosclerosis
... IL-10 levels, the scientists also looked at IRAK1 levels in blood from atherosclerosis patients. They found...tability. Indeed, patients with higher IL-10 serum levels have a better chance of recovery. Therefore, elevated IRAK1 modification and IL-10 levels observed i...Pain reliever may help treat life-threatening childhood disease
...he body rapidly deteriorate in SMA due to reduced levels of survival motor neuron (SMN) protein. Patients w...e or more copies of SMN2, a gene that produces low levels of SMN protein. But these levels aren't high enough to stop SMA's deleterious effects on spinal moto...'Lighter than air' breathing more than doubles COPD patients' exercise endurance
...e exercise protocol used, capable of inducing high levels of ventilation relative to subject's maximal ventilation for a prolonged period of time, has amplified the effect of heliox breathing in reducing turbulent airway resistances," the authors say. In a related observation, they believe that "the high-in...Finding could improve safety of stem cell transplants
...ids. At that point, about half the cells have high levels of the protein PAR-4, half have high levels of the protein, nestin, and all have high levels of ceramide. The researchers found cells th...Psychological stress and disease: UCSF-led study suggests connection
...ngth of telomeres, the activity of telomerase, and levels of oxidative stress -- in immune system cells know...t produces more defense cells, which requires high levels of the telomerase enzyme, in order to maintain telomere length, thus allowing for additional rounds ...University of Texas at Austin researchers identify drug-tolerance mechanism in flies
...drug causes nerve cells to fire too rapidly, slo levels are decreased to produce fewer portals and dampen the drug's effect. Having the slo gene instead become more active when the nervous system is sedated by a drug would help overcome that sedation, and underlies the development of tolerance. "We thi...