895 Articles with the topic: Public Health & Epidemiology
HIV vaccine failure explained?
sea-maid submitted, created time 2 weeks 1 day (www.nature.com)
Researchers have suggested that an experimental vaccine against AIDS might have failed in part because it made some people's immune cells more vulnerable to HIV infection. 
sea-maid submitted, created time 3 weeks 1 hour (www.sciencenews.org)
Sugar present in red meat and dairy found to be a risk factor for E. coli infection.
Earlier HIV treatment can save more lives
sea-maid submitted, created time 3 weeks 3 hours (www.sciencenews.org)
Treating HIV earlier can increase a patient’s survival chances, a new study of more than 8,000 HIV patients shows. The findings suggest doctors should rethink the standard practice of HIV treatment, a team reports at a meeting of microbiologists and infectious disease researchers
Global Analysis of Host-Pathogen Interactions that Regulate Early-Stage HIV-1 Replication
jerry submitted, created time 1 month 1 week (www.cell.com)
Human Immunodeficiency Viruses (HIV-1 and HIV-2) rely upon host-encoded proteins to facilitate their replication. Here, we combined genome-wide siRNA analyses with interrogation of human interactome databases to assemble a host-pathogen biochemical network containing 213 confirmed host cellular factors and eleven HIV-1-encoded proteins. Protein complexes that regulate ubiquitin conjugation, proteolysis, DNA-damage response, and RNA splicing were identified as important modulators of early-stage HIV-1 infection
Repossession "is mental threat"
sea-maid submitted, created time 1 month 1 week (news.bbc.co.uk)
Sometimes depression and other mental problems are caused by an inherent imbalance in brain chemistry. We refer to this as clinicl depression. At other times, however, depression is caused by life events. A family member dies, and the patient becomes depressed. It is natural, understandable, and, depending on how the patient manages it, it can be healthy.
So what are the life events most likely to cause this natural depression? House repossession--foreclosure--was rated as one of the top causes, ahead of finding out about infertility
Scientists: Global Warming May Spread "Deadly Dozen" Diseases
jerry submitted, created time 1 month 1 week (www.foxnews.com)
Bird flu is just one of eleven diseases that may worsen with global warming, scientists are warning. Scientists from the Wildlife Conservation Society have nicknamed twelve diseases the “deadly dozen” and say they are spreading across the globe and becoming dangerous to human an animal populations.
The other eleven diseases include babesiosis, cholera, ebola, lyme disease, plague, red tides, rift valley fever, sleeping sickness, tuberculosis, and yellow fever. Intestinal and external parasites are counted as one problem.
Gene-testing startup's study responds to critics
jerry submitted, created time 1 month 1 week (ap.google.com)
Navigenics, a Silicon Valley gene-testing startup is sick of all the criticism. The service that Navigenics offers is called personal genetic testing. Their customers are given a genetic writeup that covers markers for diseases like multiple schlerosis, glaucoma, obesity, and some kinds of cancers. Neither the article nor the Navigenics website says whether these customers are people who already have a family history of these conditions and wish to learn whether they inherited the tendency or whether they are simply curious
Africa ill-equipped for fight against cancer
sea-maid submitted, created time 1 month 2 weeks (www.scidev.net)
African governments are ill-prepared to address the continent's growing cancer burden, warn Hany Besadaand and Vadim Ermakov.
Smoking and solid fuel use in homes cause millions of deaths
sea-maid submitted, created time 1 month 2 weeks (esciencenews.com)
If current levels of smoking and biomass and coal fuel use in homes continues, between 2003 and 2033 there will be an estimated 65 million deaths from chronic obstructive pulmonary disease (COPD) and 18 million deaths from lung cancer in China, accounting for 19% and 5% of all deaths in that country during this period. Researchers at the Harvard School of Public Health (HSPH) predict that the combined effects of these two major factors alone will be responsible for more than 80% of COPD deaths and 75% of lung cancer deaths in China over a thirty-year period
Cheap cervical cancer test is boost for poor countries
sea-maid submitted, created time 1 month 4 weeks (www.newscientist.com)
This writeup references a study in Lancet. Cervical cancer is the second deadliest cancer in women: it strikes 500,000 every year, and more than half die. But 85% of those deaths are in poor countries. A team of researchers has just tested a new, less expensive pap test that may go for as little as $5 USD, testing it alongside the more expensive HPV test. It was over 90% accurate.
Container chemical causes controversy
jerry submitted, created time 1 month 4 weeks (media.www.spectatornews.com)
The debate over the safety of a chemical ubiquitous in the lives of Americans took center stage at a scientific hearing of the U.S. Food and Drug Administration on Tuesday as federal officials, scientists and health advocates gave vastly different assessments of the effects of exposure to bisphenol A...
Scientists link chemical used in plastics to health problems
marry submitted, created time 2 months 3 days (www.startribune.com)
BPA was found to cause a higher risk of heart problems, diabetes and liver disease. The FDA repeated its stance that BPA is safe but is studying the issue.
sea-maid submitted, created time 2 months 5 days (www.sciencebase.com)
Studies have shown that social networking is a risk factor for catching a sexually transmitted disease (but only real-world social networking; LinkedIn is okay). However, this seems to be more of a result of an understanding of what a social network is than any Internet-induced change in the way people choose sexual partners. Sexually transmitted diseases are by definition (usually) transmitted along intimate social networks.
New Pathway for Malaria Infection Discovered
sea-maid submitted, created time 2 months 6 days (www.sciencedaily.com)
Cenix BioScience GmbH, a leading specialist in advanced RNA interference (RNAi)-based research services, Alnylam Pharmaceuticals, Inc. (Nasdaq: ALNY), a leading RNAi therapeutics company, and the Lisbon-based biomedical research centre Instituto de Medicina Molecular (IMM), have announced the publication of their collaborative study in Cell Host & Microbe, describing the discovery and in vivo validation of scavenger receptor BI (SR-BI), a major regulator of cholesterol uptake by the liver, as a critical host factor for malaria infection.
HIV in the U.S. hits American blacks extra hard
Darkfrog submitted, created time 2 months 1 week (www.nytimes.com)
The CDC has released a report on the way HIV spreads in the United States. Again, American blacks are at disproportionately high risk. While caucasian gay and bisexual men tend to get infected int heir thirties and forties, black gay and bisexual men tend to get infected in their teens and twenties.
The writeup does not say whether they adjusted for socioeconomic factors, but they do assert that the infected blacks were no more likely to be drug users or to engage in risky sexual behaviors than their counterparts in other races
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