nonagenarians
Surprising results from brain and cognitive studies of a 93-year-old woman athelete August 18, 2015 [image: Olga Kotelko's brain "does not look like a 90-plus-year-old" --- Beckman Institute director Art Kramer] Brain scans and cognitive tests of Olga Kotelko, a 93-year-old Canadian track-and-field athlete with more than 30 world records in her age group, may support the potential beneficial effects of exercise on cognition in the “oldest old.” In the summer of 2012, researchers at the Beckman Institute for Advanced Science and Technology at the University of … more…
Carbon nanofibers
‘Diamonds from the sky’ approach to turn CO2 into valuable carbon nanofibers August 19, 2015 [image: Researchers are generating carbon nanofibers (above) from CO2 , removing a greenhouse gas from the air to make products. (credit: Stuart Licht, Ph.D)] Decreasing CO2 to pre-industrial-revolution levels is the goal A research team of chemists at George Washington University has developed a technology that can economically convert atmospheric CO2 directly into highly valued carbon nanofibers for industrial and consumer products — converting an anthropogenic greenhouse gas from a climate ... mais »
Evolution
The dilemma of human enhancement August 20, 2015 [image: Crosstalks] How far can science push the limits of human life? That was the theme of a Crosstalks webcast today, “The dilemma of human enhancement,” available for download. The show addressed questions like “Can we prevent people from dying? With implants, nanotechnology, artificial body parts and smart drugs we can enhance human physiology beyond our current … more…
PTBP1
Why you’re smarter than a chicken August 21, 2015 [image: (credit: Johnathan Nightingale via Flickr)] A single molecular event in a protein called PTBP1 in our cells could hold the key to how we evolved to become the smartest animal on the planet, University of Toronto researchers have discovered. The conundrum: Humans and frogs, for example, have been evolving separately for 350 million years and use a remarkably similar repertoire … more…
Female artist hand
Were the First Artists Mostly Women? Three-quarters of handprints in ancient cave art were left by women, study finds. By Virginia Hughes, for National Geographic PUBLISHED OCTOBER 09, 2013 Sex Differences Snow's study began more than a decade ago when he came across the work of John Manning, a British biologist who had found that men and women differ in the relative lengths of their fingers: Women tend to have ring and index fingers of about the same length, whereas men's ring fingers tend to be longer than their index fingers. [image: Hand stencils surround a mural of spotted horses... mais »
Sem título
*Space Photos of the Week: Curiosity’s Got a Selfie Stick*
Memory Binding Test
Clinical Trend of the Week (Aug 8 -14): Memory Binding Test Recently, neurologist Dr. Richard B. Lipton presented research at the Alzheimer’s Association International Conference (AAIC) regarding the Memory Binding Test (MBT). Memory binding is the process of linking memories, and the test gauges “associative binding” through word lists that test takers are asked to remember. Lipton suggests that older adults who perform poorly on the MBT have an increased risk of amnestic mild cognitive impairment and dementia. Physicians mostly likely searched for more information about this test i... mais »
Tabagismo
Medicina Ambulatorial 4a. edição Tabagismo 2013
Santiago Ramon y Cajal
Read the Lost Dream Journal of the Man Who Discovered Neurons An exclusive look at the dreams Santiago Ramon y Cajal recorded to prove Freud was wrong. *BY BEN EHRLICH. ILLUSTRATIONS BY FEDERICA BORDONI. AUGUST 20, 2015* Santiago Ramón y Cajal, a Spanish histologist and anatomist known today as the father of modern neuroscience, was also a committed psychologist who believed psychoanalysis and Freudian dream theory were “collective lies.” When Freud published *The Interpretation of Dreams* in 1900, the science world swooned over his theory of the unconscious. Dreams quickly became syn... mais »
Sôpros Cardíacos
Capítulo 80 Medicina Ambulatorial,l 4a edição
Febre Reumática e Endocardite Infecciosa
Referência a este capítulo, bem como outras das quais participei, pretendo posta-las no Blog para ficarem a disposição de quem visitar AMICOR Febre Reumática e Prevenção da Endocardite Infecciosa Em Medicina Ambulatorial 4a edição. Porto Alegre, 2013.
WWII Photos
http://www.argunners.com/never-seen-before-wwii-photographs-show-horrors-of-war/ [image: U.S. Soldier examines the grave of an unknown U.S. soldier, who was buried by the enemy before retreating. The first American soldier that noticed the grave, decorated it with mortar shells and ferns.]
Alzheimer's risks
New Study Identifies 9 Risk Factors for Alzheimer’s Disease - Maya Rhodan @m_rhodan Aug. 20, 2015 [image: 160330106]Getty ImagesCT scan of a human Brain.The risk factors, which include obesity, low educational attainment and depression, might be preventable Two-thirds of Alzheimer’s cases could be attributed to nine risk factors that are potentially fixable, according to a new study released Thursday. Researchers linked obesity, carotid artery narrowing, low educational attainment, depression, high blood pressure, frailty, smoking habits, high levels of homocysteine (an amino aci... mais »
GBD 1990-2013
Global, regional, and national incidence, prevalence, and years lived with disability for 301 acute and chronic diseases and injuries in 188 countries, 1990–2013: a systematic analysis for the Global Burden of Disease Study 2013 Global Burden of Disease Study 2013 Collaborators( Theo Vos, Ryan M Barber, Bell Amelia Bertozzi-Villa , Stan Biryukov , Ian Bolliger , Fiona Charlson , Adrian Davis , Louisa Degenhardt , Daniel Dicker , Leilei Duan , Holly Erskine , Valery L Feigin , Alize J Ferrari , Christina Fitzmaurice , Thomas Fleming , Nicholas Graetz , Caterina Guinovart ,... mais »
Antibiotics stewardship
NICE antimicrobial stewardship: right drug, dose, and time? The Lancet Summary - Full Text - Tables and Figures On Aug 18, the National Institute for Health and Care Excellence (NICE) in the UK released its firstguideline on antimicrobial stewardship, after a draft was published earlier this year. *Antimicrobial stewardship: systems and processes for effective antimicrobial medicine use* is aimed at all health and social care practitioners (hospital and care home staff, general practitioners [GPs], dentists, podiatrists, pharmacists, and community nurses), commissioning and pr... mais »
Plant microbiome
Plant microbiome blueprints 1. Cara H. Haney1,2, 2. Frederick M. Ausubel1,2 +Author Affiliations 1. 1Department of Genetics, Harvard Medical School, Boston, MA 02114, USA. 2. 2Department of Molecular Biology, Massachusetts General Hospital, Boston, MA 02114, USA. 1. E-mail: haney@molbio.mgh.harvard.edu Related Resources In *Science* Magazine - REPORTSalicylic acid modulates colonization of the root microbiome by specific bacterial taxa - Sarah L. Lebeis *et al.* Science 21 August 2015: 860-864.Published online 16 July 2015 Just as the nu... mais »
Forestry
Science 21 August 2015: Vol. 349 no. 6250 p. 771 DOI: 10.1126/science.aad2208 - EDITORIAL Forestry in the Anthropocene 1. Ariel E. Lugo 1. Ariel E. Lugo is director of the International Institute of Tropical Forestry of the United States Department of Agriculture Forest Service, Río Piedras, Puerto Rico. 1. E-mail: alugo@fs.fed.us [image: Figure] PHOTO: UNITED STATES DEPARTMENT OF AGRICULTURE FOREST SERVICE Related Resources In *Science* Magazine - INTRODUCTION TO SPECIAL ISSUEForest health in a changing world - Andrew Sugden *et al.* Science 21... mais »
Saliva Cortisol
Medscape Medical News > Neurology High Saliva Cortisol May Flag Cognitive Trouble Megan Brooks August 19, 2015The study team observed that higher evening cortisol levels in saliva were associated with lower total brain volume and poorer global cognitive function in older dementia-free community-dwelling elderly individuals. On the other hand, higher morning saliva cortisol levels seemed to correlate with greater white matter volume and some aspects of cognitive function. Teasing out the differential effects may have clinical implications down the road, note Lenore J. Launer, PhD, from... mais »
Ability to Clear Amyloid
Brain's Ability to Clear Amyloid Declines With Age Megan Brooks August 19, 2015 As people age, the brain takes longer to clear amyloid-β, which may explain why risk for the disease increases with age, researchers say. "This study identifies a link between the single greatest risk factor for Alzheimer's, a person's age, and the amyloid-β protein that is postulated to cause Alzheimer's," Randall J. Bateman, MD, Charles F. and Joanne Knight Distinguished Professor of Neurology, Washington University School of Medicine in St. Louis, told *Medscape Medical News*. "With this mechanistic link... mais »
Testosterone
'Low T' Therapy Has Yet to Be Proven: FDAAgency orders makers of popular testosterone supplements to conduct clinical trials Wednesday, August 19, 2015 [image: HealthDay news image] WEDNESDAY, Aug. 19, 2015 (HealthDay News) -- Testosterone supplements have long been marketed to aging men as a fountain of youth and virility, but there is still no proof they are safe or effective, according to the U.S. Food and Drug Administration. Writing in the Aug. 20 edition of the *New England Journal of Medicine*, FDA officials said that only controlled clinical trials can show whether men benefit... mais »
ecology
Genetically Modified Foods, Herbicides and Human Safety2 researchers decry heavy use of weedkillers; manufacturer says no threat exists Wednesday, August 19, 2015 [image: HealthDay news image] WEDNESDAY, Aug. 19, 2015 (HealthDay News) -- Farm fields are becoming soaked with increasing amounts of suspected cancer-causing herbicides, thanks to the spread of genetically modified crops that are immune to these chemicals, two researchers contend. They make their argument in a Perspective piece in the Aug. 20 issue of the *New England Journal of Medicine*. Farmers' use of glyphosate -- a wee... mais »
Quantas pessoas nasceram no mesmo dia que você?
*Compartilho endereço enviado pelo AMICOR Ayrton Fischmann* Dá uma ideia de quanto tempo ainda temos de vida. Quem quiser saber... *INTERESSANTE. Ainda fornece uma expectativa de vida * http://tecnologia.uol.com.br/noticias/redacao/2015/08/18/quantas-pessoas-nasceram-no-mesmo-dia-que-voce-ferramenta-tem-a-resposta.htm *Você já parou para pensar quantas pessoas nasceram exatamente no mesmo dia que você? Com apenas um clique é possível estimar esse número e muito mais informações na ferramenta interativa: *http://population.io/
Flibanserin
See How ‘Female Viagra’ Works - Alexandra Sifferlin @acsifferlin - Heather Jones @msjonesnyc Aug. 18, 2015 This graphic explains the newly-approved drug The first drug to treat a lack of female sexual desire has been approved by federal authorities. The drug flibanserin, which has been coined ‘female Viagra,’ is intended to treat women with a condition called hypoactive sexual desire disorder (HSDD) that’s characterized by lagging libido. On Tuesday, the drug was approved by the U.S. Food and Drug Administration. “Today’s approval provides women distressed by their low... mais »
Estimativa da carga do tabagismo no Br.
*Estimativa da carga do tabagismo no Brasil: mortalidade, morbidade e custos * *The burden of smoking-related diseases in Brazil: mortality, morbidity and costs* *Márcia Teixeira Pinto 1; Andres Pichon-Riviere 2; Ariel Bardach 2* *Resumo* Os avanços no controle do tabagismo no Brasil podem ser verificados na redução da prevalência nas últimas duas décadas. As estatísticas de óbitos, ocorrência de eventos e custos diretos atribuíveis às doenças tabaco-relacionadas não são estimadas com frequência no país. O objetivo deste artigo foi estimar a carga do tabagismo em 2011, em termos de... mais »
World Population 2015
[image: wpds-2015-spotlight] 2015 World Population Data Sheet and Digital Features Every year, PRB provides the latest demographic data for the world, global regions, and more than 200 countries. This year’s collection of indicators include several focusing on the status of women in key areas such as education, employment, and government. Looking at the numbers across the world, we can get a picture of women’s progress towards empowerment—all available at* www.prb.org.* This year’s Data Sheet package includes: • A multifaceted digital visualization at *www.worldpopdata.org* featuring ... mais »
Brain's Fear Center
The Amygdala Is NOT the Brain's Fear Center Separating findings from conclusions Post published by Joseph E LeDoux Ph.D. on Aug 10, 2015 in I Got a Mind to Tell You [image: //creativecommons.org/licenses/by-sa/2.1/jp/deed.en)], via Wikimedia Commons] I’ve been studying the amygdala for more than 30 years. When I started this work, research on this brain region was a lonely field of inquiry. The hippocampus was all therage, and I sometimes felt jealous of the attention lavished on this brain region because of its contribution to memory. These days, though, it is the amygdala that is i... mais »
‘Paleo’ Diet
For Evolving Brains, a ‘Paleo’ Diet Full of Carbs AUG. 13, 2015 hoto Researchers say that the addition of tubers and other starchy foods to ancient hearths helped contribute to human brain development. CreditAndrew Scrivani for The New York TimesContinue reading the main story You are what you eat, and so were your ancientcestors. But figuring out what they actually dined on has been no easy task. There are no Pleistocene cookbooks to consult. Instead, scientists must sift through an assortment of clues, from the chemical traces in fossilized bones to the scratch marks on prehistoric ... mais »
Conspiracy Theories
Here’s Why People Believe In Conspiracy Theories - Mandy Oaklander @mandyoaklander Aug. 14, 2015 Getty Images UFO sightings. Hoaxed moon landings. Reptiles who rule the world. What, in the name of our alleged lizard overlords, convinces a person to believe in conspiracy theories? According to a pair of new studies published in the journal *Applied Cognitive Psychology*, conspiracy theorists—and there are a lot more of them than you may think—tend to have one thing in common: they feel a lack of control over their lives./.../
Neuroskeptic
Neuroskeptic The Rise and Fall of Neurotransmitters By Neuroskeptic | August 15, 2015 5:46 am There are dozens of neurotransmitters in the human brain. How do neuroscientists decide which transmitters are most important? Are there trends and fashions in neuroscience, such that some transmitters rise and fall in popularity? I searched PubMed for nine different neurotransmitters, and downloaded the ‘Results by Year’ data to track the number of peer-reviewed papers published each year from 1960 to 2014. The results are very interesting: [image: neurotransmitters2] Here are some of my obs... mais »
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