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The incredible unlikelihood of beingJuly 24, 2014 *[+]* (credit: iStock) Hello Ray, The universe existed several billion years before humans were conscious, and will exist several billion years after we are conscious. So, it is statistically improbable for the chronological timeline of the universe to be located at this precise moment, when we are conscious, that is, an 80 year lifespan within some 30 billion years. Are you aware of any theories, besides survivorship bias from statistics, that could address this question? Why humans happened to be alive during precise moments in the dev...mais »
Global ENIGMA consortium cracks brain’s genetic codes for aging Finds 8 common gene mutations leading to brain aging in over 30,000 brain scans that may one day unlock mysteries of Alzheimer’s, autism, and other neurological disorders January 23, 2015 (Credit: ENIGMA) In the largest collaborative study of the brain to date, about 300 researchers in a global consortium of 190 institutions identified eight common genetic mutations that appear to age the brain an average of three years. The discovery could lead to targeted therapies and interventions for Alzheimer’s disease, autism, and...mais »
Richest 1% to own more than rest of world, Oxfam says COMMENTS (1933) Jump media player Media player help The wealthiest 1% will soon own more than the rest of the world's population, according to a study by anti-poverty charity Oxfam. The charity's research shows that the share of the world's wealth owned by the richest 1% increased from 44% in 2009 to 48% last year. On current trends, Oxfam says it expects the wealthiest 1% to own more than 50% of the world's wealth by 2016. The research coincides with the start of the World Economic Forum in Davos. Out of media player. Press enter...mais »
Glycemic Control Too Tight in Elderly Diabetics with Dementia Marlene Busko January 22, 2015 - Comment - - - EDITORS' RECOMMENDATIONS - New Research Suggests Diabetes Overtreatment in Older Adults - New IDF Guidelines Target Diabetes Care in the Elderly - Hypoglycemia Common, Rivaling CVD, in Old-Age Diabetes In a large study of older male veterans with type 2 diabetes and dementia, about half had HbA1c levels below 7%, even though guidelines caution against such tight glycemic control in this type of patient population. Moreover, three-quarters of the pat...mais »
Web version / Version web [image: Forward icon] Forward / Transférer A Year in Review As we begin 2015, I want to share with you some highlights from 2014 and what the National Collaborating Centre for Determinants of Health has planned for 2015. Our focus continues to be to translate useful knowledge to help public health organizations and practitioners advance health equity within their public health practice. Last year, we launched a Health Equity Specialist Network to support knowledge exchange among the growing number of public health staff with a dedicated focus on determinants ...mais »
Live zebrafish imaging captures how blood stem cells take root in the bodyJanuary 19, 2015 *[+]* This image captures a blood stem cell (green) as it is “cuddled,” en route to taking root in a zebrafish (credit: Boston Children’s Hospital) A see-through zebrafish and enhanced imaging provide the first direct glimpse of how blood stem cells take root in the body to generate blood. Reporting in the journal *Cell*, researchers in Boston Children’s Hospital’s Stem Cell Research Program describe a surprisingly dynamic system that offers several clues for improving bone marrow transplants in ...mais »
Memcomputers: Faster, More Energy-Efficient Devices That Work Like a Human Brain New types of electronic components, closer to neurons than to transistors, are leading to tremendously efficient and faster “memcomputing” Jan 20, 2015 |By Massimiliano Di Ventra and Yuriy V. Pershin *Adam Simpson* - [image: memcomputing] When we wrote the words you are now reading, we were typing on the best computers that technology now offers: machines that are terribly wasteful of energy and slow when tackling important scientific calculations. And they are typical of every computer that exi...mais »
Anthropologist Seeks the Roots of Terrorism In spite of massive challenges, Scott Atran has managed to conduct extensive field interviews with would-be and convicted terrorists January 20, 2015 |By Sara Reardon and Nature magazine Scott Atran during a visit to Damascus to conduct fieldwork. *Credit: Richard Davis/Artis Research* In the wake of terrorist attacks last week on the French satirical magazine *Charlie Hebdo* and a Paris supermarket, the world has struggled to understand the combination of religion, European culture and influence from terrorist organizations that drove the...mais »
America’s new aristocracy As the importance of intellectual capital grows, privilege has become increasingly heritableJan 24th 2015 | From the print edition[image: Timekeeper] WHEN the candidates for the Republican presidential nomination line up on stage for their first debate in August, there may be three contenders whose fathers also ran for president. Whoever wins may face the wife of a former president next year. It is odd that a country founded on the principle of hostility to inherited status should be so tolerant of dynasties. Because America never had kings or lords, it som...mais »
De: Francisco Arsego de Oliveira 16:41 (Há 16 horas) para saude-urbana Em setembro, participei de uma interessante reunião em Manaus, promovida pela OPAS, sobre a missão social da educação médica em busca da equidade. Saiu recentemente a página desse encontro, com as palestras e outros documentos. As melhores palestras (além da minha, é claro... hahaha) foram do Arthur Kaufman e do Daniel Blumenthal. Recomendo fortemente! O link é o seguinte: http://www.observatoriorh.org/?q=node/640
*Too Much Sitting Increases Mortality Risk Despite Exercise**Ann Intern Med*. 2015;162:123-132, 146-147.Jenni Laidman. January 20, 2015 Prolonged sitting was associated with higher mortality from all causes, as well as increased incidence of cancer, cardiovascular disease, and type 2 diabetes, even among people who exercise regularly, according to a meta-analysis published in the January 20 issue of the *Annals of Internal Medicine*. However, the analysis of 47 previously published articles also shows that the association between all-cause mortality and sedentary behavior is greatest...mais »
Slow-mo video of raindrops reveals how rain gets its distinctive smell By Rachel Feltman January 16 Petrichor: It's a great word and an even better smell — the one that hangs in the air after a rain storm. By filming raindrops in super-slow-motion, MIT researchers think they've figured out how this smell works.
[SDOH] John Ioannidis: "Screening for diseases that can lead to death typically does not prolong life substantially; a few screening tests may avert some deaths caused by the disease being screened, but even then it is difficult to document an improvement in overall survival" Entrada x From: Mohammad Zakaria Pezeshki 06:42 (Há 8 horas) http://earthcitizenshealth.blogspot.com/2015/01/john-ioannidis-screening-for-diseases.html *Mohammad Zakaria Pezeshki, M.D.Associate ProfessorDepartment of Community Medicine,Tabriz Medical School, Golgasht Avenue, Tabriz, Iran,Tel: 0098 411 336 4...mais »
Nesta semana faleceram dois companheiros de Juventude Universitária Católica da década de 50. Sérgio Pilla Grossi, também médico, formado um ano antes de mim. Também Darcy Dillemburg, físico, era o presidente quando ingressei em 1952. Nas fotos: Reunião de diretoria com nosso dirigente Cônego Alberto Etges, depois Bispo de Santa Cruz. Ao lado aparece Darcy com sua esposa Cecilia e do outro lado Mário Bertoni, psiquiatra falecido tragicamente há muitos anos. Ao meu lado está Valderês. Na outra foto está Sérgio, bem à esquerda, em excursão que fizemos à Florianópolis.