UCI center finds perchlorate may be acceptable in drinking water at higher levels
...d still protect the public health. Perchlorate a byproduct of rocket fuel manufacturing that was discharged as waste into groundwater supplies from defense sites is a chemical that interferes with the normal function of the thyroid gland. In adults and children, the thyroid helps regulate metabolism. In chi...Scents will not rouse us from slumber, says new Brown University study
...sed as a herbicide for firewood, and thus a likely byproduct of many real fires, according to the authors. However, sound woke the participants regardless of the sleep stage. A moderately loud auditory tone produced arousal from sleep virtually every time the scents did not. Most odors stimulate people's trig...Sitting in nonsmoking sections a powerful tactic for preventing teen smoking
...tests that checked for the presence of cotinine, a byproduct of nicotine. Fifty-one percent of the students were male and 90 percent where white. Since the study sample was almost all Caucasian, reflecting the demographics of the area, the results may not generalize to a multiethnic community. The students in ...USC study finds hormone supplement used by athletes may not increase testosterone
... increase testosterone levels, but it did increase byproduct hormones-hormones that are potentially bad for the prostate," says Rebecca Z. Sokol, M.D., M.P.H., professor of obstetrics and gynecology and medicine at the Keck School and the paper's senior author. "Not only are users not getting the testosterone,...Pediatricians and parents key to improving quality of children's health care
...are and quality would not necessarily be a natural byproduct of mainstream information technology systems," the authors write. "For example, current computerized physician order-entry systems typically are not designed to include weight- and body-mass measurements, an essential part of preventing medication er...Blood dilution during bypass surgery associated with kidney damage
...vels during surgery with levels of creatinine -- a byproduct of normal metabolism -- in the blood before and after surgery. Kidneys normally filter creatinine out of the blood and excrete it in the urine, so higher-than-normal levels in the blood indicate that the kidneys' ability to filter blood has been impa...Rice study identifies sources of Houston smog particulates
...e particles did not focus on ammonium sulfate -- a byproduct of large scale, industrial fossil fuel combustion. As the largest single component of particulate matter -- accounting for some 40 percent -- a number of previous studies have investigated the sources of ammonium sulfate. Instead, Fraser's team focus...Anti-bacterial spice that kills food germs on agenda for ACS meeting in New Orleans
...e gas control and use The use of a rice milling byproduct as a healthful food product Uncovering the mysteries of pigments in red wine The use of coal-based jet fuel for high-speed aircraft The use of electrical fields to clean up contaminated soils, sediments and groundwater A look at the Gulf ...American Chemical Society plans national meeting in New Orleans March 23-27
...use gas control and use The use of a rice milling byproduct as a healthful food product Uncovering the mysteries of pigments in red wine Food safety challenges: microbial and chemical toxins The use of electrical fields to clean up contaminated soils, sediments and groundwater New techniques to strengthen...SNM collaboration yields diagnostic nuclear medicine guide for compliance with NRC regulations
...d federal regulations governing the medical use of byproduct material. Guide for Diagnostic Nuclear Medicine, p... 2002, and govern the medical use and licensing of byproduct materials across the spectrum of diagnostic practice. The revised rule is intended to be less prescr...Blocking pathway overcomes tumor vessel resistance to radiation
...xposure to so-called "free radicals" produced as a byproduct of inflammation and other normal biologic processes. The researchers found that radiation activates a biochemical signalling pathway involving the proteins known as PI3K and Akt. This pathway then makes the endothelial cells lining the blood vessels...Cancer patients' loss of taste, smell compromises treatment
...f cancer, but it has been considered an inevitable byproduct of the disease process and chemotherapy drugs, rather than as a treatable symptom that can affect outcomes," said Schiffman, professor of medical psychology at Duke. "If we can show that taste and smell deficits are responsible for the weight loss in...Surgery league tables could threaten access to care
..., ultimately leading to a decrease in NHS costs a byproduct that would be welcomed by the government. A further complication factor is that operative death is always attributed to the surgeon, but important influences such as anaesthetic care and intensive care resources are ignored, adds the author. In other...Aspirin resistance increases risk of death
... of a chemical called 11-dehydro thromboxane B2, a byproduct of thromboxane A2. High levels of 11-dehydro thromboxane B2 in urine can identify patients who are resistant to aspirin. These people may benefit from alternative antiplatelet therapies or treatments that more effectively block thromboxane producti...Forerunner to insulin may predict coronary heart disease
...hers measured insulin, proinsulin and C-peptide, a byproduct of insulin production in blood samples taken from the participants. Oh noted that some evidence has indicated that C-peptide also might be a more accurate predictor of heart attack risk than insulin. Researchers obtained medical histories and condu...SNM reaction to OMB position on nuclear byproduct materials
...n "that the benefits of regulating medical uses of byproduct materials may not justify the costs of the Part 35 requirements." Nuclear byproduct materials are used to produce some of the tracer elements injected into patients to conduct many pot...New quit strategy offers smokers more pleasure, less risk
...enzyme, which metabolizes nicotine to its inactive byproduct cotinine and activates carcinogens in tobacco smoke. By inhibiting the action of the enzyme, more nicotine remains in the bloodstream and the pleasure smokers get from a cigarette lasts longer. As a result, smokers may light up less frequently. Block...Study suggests potential new approach to glaucoma therapy
...using the damage in retinal cellsor appearing as a byproduct of that damage. "We adopted an animal model of glaucoma that raises pressure levels in the eyesof rats," Neufeld said. "And we found that, as in humans, the eyes of rats withelevated pressure lost retinal ganglion cells and that the tissue also conta...Aspirin's role in colon cancer prevention focus of $5 million grant
...nd hiscolleagues are trying to better understand a byproduct of COX2, malondialdehyde(MDA), which is capable of damaging DNA. "We're interested in the possibilitythat once colon cells undergo the conversion to producing too much COX2, theproduction of MDA in turn causes more DNA damage," Marnett said. The grou...Study Offers Hope For Immune Reconstitution After HIV Infection
...estern Medical Center in Dallas, measured agenetic byproduct of T-cell development in blood samples from 10 HIV-infectedand 30 uninfected individuals. Before they are released from the thymus, Tcells generate circular fragments of DNA, dubbed T-cell receptor rearrangementexcision circles, or TRECs. Previous ...