Cutting back on cigarettes: when less is more
...their regular brands of cigarettes and researchers noted levels of carbon monoxide (CO) and cotinine in the participants' blood before and after four of the cigarettes each day. Carbon monoxide reflects general exposure to hundreds of toxins and carcinogens in smoke while cotinine, a metabolite of nicotine...Moderate alcohol consumption increases plasma levels of a protective hormone
...come before, than alcohol does impact hormones," noted Rimm, "but I think that it probably doesn't impact hormones the same way in everybody. For example, it may be that someone's existing body weight may impact how strong the association is between alcohol and its effects on hormones, because hormones ...Leading science, higher-education and engineering groups urge six improvements to U.S. visa quagmire
...ch, director of science and public policy at AAAS, noted that "science and security are not an 'either-or' proposition. We must and can have both. If we don't take action now to improve the U.S. visa system, growing fears among researchers from other countries will do irreparable harm to scientific progres...Whales, seals or men? Who stole all the fish?
... species of marine mammals. For each sighting, she noted ocean depth, water temperature, and distance from the ice edge. This gave her a crude picture of where each species prefers to live with respect to these three variables. Then she divided the world's oceans into a grid of around 180,000 approximatel...Dramatic decline of California native frog linked to introduced trout in mountain lakes
...ged ecosystems, diseases and all sorts of things," noted David Wake, a UC Berkeley professor of integrative...ore than 100 years ago, while the decline has been noted only since the 1980s. Some biologists even claimed that trout don't eat tadpoles, Vredenburg said. V...Landmark, pivotal Phase IIb/III trial of biotoxin for cancer pain begins
...nd for the treatment of drug withdrawal but it was noted that the main factor in its ability to relief or eliminate withdrawal symptoms was its ability to reduce pain. Thus, Wex pursued testing of Tectin TM for refractory cancer relief in cancer patients. With these encouraging results, Tectin TM will al...Studies show success of Mectizan partnerships
... it," said Dr. Burnham. In his study, Dr. Burnham noted that the number of annual Mectizan treatments approved through community-based, mass treatment grew from 255,000 in 1988 to nearly 50 million by 2002. The program continues to grow, with a projected 90 million people in need receiving treatment by 20...Feeding cottonseed meal to female fallow deer safe at low rates
...y and promotes mammary gland development. Randel noted that although the study indicates cottonseed meal can be safely included in rations for both male and female deer, careful consideration must be given not only to the amount but the source of the cottonseed meal. "If the cottonseed meal was produced...Tiny beetle wreaks havoc on Texas ornamental tree nurseries
...nt. We don't know for sure," Ludwig said. Ludwig noted a few products are labeled for use as a preventative trunk spray, but most are either marginally effective or require multiple sprayings throughout the growing season, a practice that is both expensive and labor consuming. More effective controls we...Tropical legume could be alternative hay/forage crop for Texas
...s had excellent regrowth following grazing, but we noted wide differences in time of flowering," Smith said. Flowering time varied from late summer to late fall. In much of Texas, the late-fall flowering varieties would probably mature too late to produce viable seed, he said. Smith selected the most prom...White House lauds Physiological Society for mentoring underrepresented minorities in biomedicine
...st for Science and Mathematics at Spelman College, noted that "Most, if not all, of the minority physiologists who have successful careers in science can point to the APS as being pivotal in supporting their careers." A former Porter Predoctoral Fellow herself, Dr. Gunter-Smith said, "One of the achievemen...Sediments in many Central Valley streams contain toxic levels of pyrethroid pesticides
...rom sediments into creatures living on the bottom, noted that another chemical sometimes applied with pyrethroids may be making the situation worse. Piperonyl butoxide, or PBO, is a synergist that shuts down the enzymes that detoxify pyrethroids, making them last longer in an organism and increasing their ...Transplant rejection averted by simple light exposure in Stanford animal study
...ransplant, as we did in the mice," Merad said. She noted that dermatologists now use ultraviolet light to treat some skin diseases, administering it to patients inside a chamber under controlled circumstances to avoid burning. Engleman said the ultraviolet treatment would have to be carefully administered ...Scripps scientists look deep inside sharks and their high-performance swimming system
...s who study large fish in the open ocean have long noted the similarities in species that exhibit high-performance swimming mechanics, particularly those built for fast and continuous motion. For example, such swimming is exhibited in lamnid sharks, which have long been suspected of sharing a basic locomot...Closing in on the cellular culprits of schizophrenia
... schizophrenia and the gene for dysbindin has been noted making dysbindin the most highly replicated schiz... schizophrenia and the gene for dysbindin has been noted making dysbindin the most highly replicated schizophrenia-associated gene described to date. Now, r...New research outlines public health consequences
...and 60 police officers. Early clinical assessments noted a high prevalence of respiratory symptoms, including persistent cough, in firefighters and rescue workers exposed to the WTC dust. The present study was designed to yield a comprehensive assessment of the health impacts of the chemical contaminant...Campbell wins 2004 Abbott-ASM Lifetime Achievement Award
... of genomes. These early studies led to other noted achievements, including Campbell's discovery of no... his formidable body of research, Campbell is also noted for his extraordinary commitment to the profession of microbiology as an author, educator, and mento...Annual Chemical Biology Symposium at Yale May 14, 2004
...rom Yale, nearby universities, and companies. The noted speakers for this year include: Peter Kim, President of the Merck Research Laboratories, Tom Pollard, Yale University, Gary Brudvig, Yale University, Xiaowei Zhuang, Harvard University, Wendell Lim, the University of California at San Fran...Campbell to receive American Society for Microbiology lifetime achievement award
... of genomes. "These early studies led to other noted achievements, including Campbell's discovery of nonsense mutations and important work on bacterial gene regulation," ASM officials said. "His studies of microbial population dynamics and the evolution of genome structure have increased microbiologist...University of Pittsburgh receives NIH funding to develop heart assist device for infants
...of infants with complex congenital heart disease," noted Bradley B. Keller, M.D., professor of pediatrics at the University of Pittsburgh School of Medicine and chief of cardiology at Children's, and principal investigator for the Children's Hospital subcontract. Also playing a key role for Children's is S...