New evidence supports century-old theory of cancer spread
...ol of Medicine and other research centers, Pawelek concludes that there is now sufficient evidence for Aichel's proposal to be taken seriously by the research community. Pawelek's group began testing the theory in 1993, when they created hybrids in the lab by fusing mouse melanoma cells with mouse macrophages....Hepatitis B accounts for 40 percent of 'missing' Asian women
...tes of the effect of hepatitis on birth sex, Oster concludes that hepatitis B can account for about 45 percent of the "missing women" ?or, more specifically, for as many as 50 percent of the "missing women" in Egypt and West Asia; under 20 percent in Bangladesh, India, Pakistan and Nepal; and around 75 percent...Seal rookeries could provide a reliable food source for endangered California condors, study finds
...onal Academy of Sciences (PNAS), the research team concludes that whales and seals have been an integral part of the condor's diet since the last Ice Age, and that current efforts by the United States government to restore wild condor populations could be enhanced if captive-bred birds are released near marine...Johns Hopkins flu expert calls for mandatory vaccination of health care workers
...idemiology online Nov. 9, Trish Perl, M.D., M.Sc., concludes that mass vaccination policies are required to pre..., not themselves. However, in the editorial, Perl concludes that, "'Shifting the message from self-interest to altruism in protecting patients may improve vacci...Tuberculosis still a risk for patients receiving HIV drugs
...T and subsequent development of TB. The commentary concludes that HIV-infected patients' risk for infection with TB "remains elevated among those receiving treatment in both high- and low-income countries." ...Scientists must offer solutions for conserving tropical forests in a rapidly changing world
...ity, the two are unlikely to continue to coexist," concludes the scientist. Tropical forest landscapes are changing rapidly in the eyes of scientists working on tropical monitoring plots around the globe, while human populations and their economic activities grow. Old-growth forests become agricultural lands,...Research Permits First-Ever Visualization of Psychological Stress in the Human Brain
...tress could also be detrimental to mental health," concludes Jiongjiong Wang, PhD, Assistant Professor of Radiology and principal investigator of the study. "How the brain reacts under psychological stress is an untouched subject for cognitive neuroscientists, but it is certainly a critical piece of the puzzl...Careless reporting on HIV 'could cost lives'
...versy surrounding HIV/AIDS is reported accurately, concludes a study. Failure to do so could have disastrous consequences for public health, says Edward Mills, lead author of the paper in the online journal BMC International Health and Human Rights. Mills says that media reports were partly responsible for t...Seeing the forest and the trees
...ability to sequester carbon. Moreover, the study concludes that forest diversity provides a measure of "biological insurance" that prevents large swings in carbon sequestration or any other service a healthy forest provides such as soil stability or fruit production that might arise from a single extinction ...Chernobyl: The true scale of the accident
...cts of such doses, explained Repacholi. Repacholi concludes that "the health effects of the accident were potentially horrific, but when you add them up using validated conclusions from good science, the public health effects were not nearly as substantial as had at first been feared." The report's estimate ...Study provides insight into cellular defenses against genetic mutation
...d by an exon-exon junction complex (EJC), the cell concludes that the stop codon has mistakenly fallen in the middle of a set of instructions. Specifically, Medical Center researchers now believe a stop codon is labeled premature when it occurs more than 55 nucleotides upstream (toward the 5-prime end) of an e...New study shows measles immunization may prevent fatal brain infection
...of Infectious Diseases, now available online, also concludes that vaccination against measles could prevent many more cases of the disease, known as subacute sclerosing panencephalitis, or SSPE, than previously thought. Because persons have apparently contracted SSPE without ever knowingly having had measles...Lactose intolerance linked to ancestral environment
...intolerant digest dairy products. Sherman's study concludes that adults from Europe can drink milk because their ancestors lived where dairying flourished and passed on gene mutations that maintain lactase into adulthood. The research, he said, is an example of Darwinian medicine, a new interdisciplinary fiel...Environmental lessons from tsunami as world's coastal population doubles
...-Ecological Resilience to Coastal Disasters report concludes that healthy ecosystems are much more likely to absorb the shock and provide protection from a coastal disaster than man-made structures such as sea walls or artificial reefs. Globally 23 per cent of the world's population (1.2 billion people) live ...Scalpel-free surgery could reduce risk of HIV and hepatitis exposure for health care workers
...en faster rate, according to the report. The study concludes that by studying the rates of HIV and hepatitis B and C among patients presenting for surgery, a more accurate incidence of disease is measured within a community, bypassing the selection bias of traditional statistics of known infected patients pres...Montreal researchers probe the genetic basis of memory
... where protein synthesis and memory are impaired," concludes Dr. Karim Nader. ...Study of energy and health in Africa focuses spotlight on charcoal and forest management
...ished in the April 1 issue of the journal Science, concludes that by 2030, smoke from wood fires used for cooking will cause about 10 million premature deaths among women and children in Africa. By 2050, according to the report, smoke from cooking fires will release about 7 billion tons of carbon in the form o...Medical whistleblowers speak out
... and could tailor their marketing to them. Lenzer concludes in her account that each of these whistleblowers, in very different ways - from making a satiric film to speaking out in Congress - has shone light on how the "synchrony" between the pharmaceutical industry and the medical enterprise may be compromis...Canadian youth 4th highest in international obesity study
...he adolescent obesity epidemic is a global issue," concludes the paper, which appears in the May issue of Obesity Reviews, a journal of the International Association for the Study of Obesity. "Increasing physical activity participation and decreasing television viewing should be the focus of strategies aimed a...... via contaminated medical implants. The new report concludes that the substance--known as poly-gamma-DL-glutamic acid, or PGA--must be present for S. epidermidis to survive on medical implants. S. epidermidis infections are rarely fatal but can lead to serious conditions such as sepsis (widespread toxic infect...