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Friday, March 23, 2018

Informatics and Neurology

Recording data from one million neurons in real time
March 23, 2018

Applications include monitoring the brain in paralyzed patients, watching for epileptic seizure signs, and real-time feedback for robotic arms
Neuroscientists at the Neuronano Research Centre at Lund University in Sweden have developed and tested an ambitious new design for processing and storing the massive amounts of data expected from future implantable brain machine interfaces (BMIs) and brain-computer interfaces (BCIs). The system would simultaneously acquire data from more than 1 million neurons in real time. … more…

New algorithm will allow for simulating neural connections of entire brain on future exascale supercomputers
March 21, 2018

(credit: iStock) An international team of scientists has developed an algorithm that represents a major step toward simulating neural connections in the entire human brain. The new algorithm, described in an open-access paper published in Frontiers in Neuroinformatics, is intended to allow simulation of the human brain’s 100 billion interconnected neurons on supercomputers. The work involves researchers … more…

fats and carbohydrate intake

Associations of fats and carbohydrate intake with cardiovascular disease and mortality in 18 countries from five continents (PURE): a prospective cohort study


The relationship between macronutrients and cardiovascular disease and mortality is controversial. Most available data are from European and North American populations where nutrition excess is more likely, so their applicability to other populations is unclear.


High carbohydrate intake was associated with higher risk of total mortality, whereas total fat and individual types of fat were related to lower total mortality. Total fat and types of fat were not associated with cardiovascular disease, myocardial infarction, or cardiovascular disease mortality, whereas saturated fat had an inverse association with stroke. Global dietary guidelines should be reconsidered in light of these findings./.../

“give me liberty or give me death"

Lembra nosso brado de "Independência ou Morte" de Dom Pedro I - 47 anos depois...
1775:Patrick Henry speaking at the Virginia ConventionPatrick Henry, a major figure of the American Revolution, delivered the well-known speech featuring the phrase “give me liberty or give me death” at the second Virginia Convention at St. John's Church, Richmond.

Wednesday, March 21, 2018

Alzheimer's cure?

Can the Healthy Brain Offer Clues to Curing Alzheimer’s?

by Neuroscience News
A new paper reports fully investigating the brain before the onset of dementia may herald clues for developing new treatments for Alzheimer's disease.
Neuroscience News | March 21, 2018 at 9:27 am | Tags: anterlateral entorhinal cortexexercise | URL:
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Tuesday, March 20, 2018


Tiny Creatures, Part Plant and Part Animal, May Control the Fate of the Planet

Mixotrophs, tiny sea creatures that hunt like animals but grow like plants, can change everything from fish populations to rates of global warming

Tiny Creatures, Part Plant and Part Animal, May Control the Fate of the Planet
SUCKER PUNCH: One mixotroph, Dinophysis (right), sucks photosynthesizing organs from another, Mesodinium. Credit: Mark Ross Studios
Summer sunlight flickers through warm waters off the coast of Spain. The sea looks calm and peaceful. Near the surface, invisible to the naked eye, a swarm of microscopic plankton, some orange-pink and others dark green, swim in lazy circles, capturing the sun's rays and using the solar energy to make nutrients through photosynthesis.
Suddenly, a tentacled creature called Mesodinium—at 22 microns, a giant next to some of the three-micron sun-gathering plankton—comes zigzagging through the waters, drawn by sugars and amino acids leaking from the smaller organisms. Its tentacles shoot out and engulf the hapless green prey, or nanoflagellates, which are completely consumed and digested./.../

Tabaco ou Saúde: 17a Conferência Mundial

Recomendado pelo AMICOR Roni Quevedo

Declarações da 17a Conferência Mundial Tabaco ou Saúde

Nós, os participantes da 17a Conferência Mundial Tabaco ou Saúde (WCTOH), realizada no continente africano pela primeira vez, muito felizes porque, também pela primeira vez, a WCTOH tem uma mulher na presidência, enfatizamos que:
A epidemia de tabagismo representa uma das maiores ameaças à saúde pública já enfrentadas pelo mundo. O uso do tabaco mata mais de 7 milhões de pessoas todos os anos, e a grande maioria dessas mortes acontece em países de renda média ou baixa.
O custo econômico global do tabagismo chegou a quase 2 trilhões de dólares e 2% do PIB mundial em 2016.
O uso do tabaco também prejudica o desenvolvimento sustentável, pois representa um grande fardo para a economia global, agrava a pobreza, contribui para a insegurança alimentar e causa danos ao ambiente.
Existe um conflito irreconciliável entre a fabricação e venda de produtos de tabaco e o direito à saúde.
A indústria do tabaco é um catalisador da pobreza e tem ligações com trabalho infantil, violações de direitos trabalhistas, insegurança alimentar e exploração de fumicultores. Os países da África precisam de ações urgentes e concretas para implementar meios de subsistência alternativos e livres de tabaco.
É necessário agir agora para acabar com o flagelo do tabaco e alcançar os Objetivos de Desenvolvimento Sustentável (ODS). 
Portanto, a 17a Conferência Mundial Tabaco ou Saúde faz as seguintes declarações:
Declarações da WCTOH 2018

1. Pedimos que os governantes se juntem à sociedade civil para acabar com a interferência da indústria do tabaco e acelerar a implementação da CQCT através de uma abordagem unificada.
2. Solicitamos que governantes, cientistas, grupos de pesquisa, fundações e organizações da sociedade civil rejeitem ou cessem ligações com a Foundation for a Smokefree World, que é financiada pela Philip Morris International, e com outras iniciativas da indústria do tabaco.
3. Adotamos a Cape Town Declaration on Human Rights and a Tobacco-free World (Declaração da Cidade do Cabo sobre Direitos Humanos e um Mundo Livre de Tabaco).
4. Pedimos que os países da África operacionalizem a Agenda de Ação de Adis Abeba sobre o Financiamento para o
Desenvolvimento, que recomenda o aumento de tributos de tabaco como uma estratégia de mobilização de recursos
sustentável e inexplorada, para acelerar a implementação da CQCT na África.
5. Solicitamos que as Partes se engajem ativamente no desenvolvimento do Planejamento Estratégico de Médio Prazo da CQCT e o endossem na próxima sessão da Conferência das Partes da CQCT.
6. Apoiamos o conceito de uma geração livre de tabaco e nos comprometemos a empoderar os jovens a se envolverem e fazerem advocacy por um mundo livre de tabaco.
7. Pedimos que os Ministérios da Fazenda apoiem ativamente as Declarações da WCTOH 2018 priorizando os financiamentos sustentáveis para o controle do tabagismo e acabando com investimentos públicos e privados na indústria do
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8. Pedimos que os governantes priorizem o aumento de políticas fiscais para continuamente aumentar os preços e diminuir a acessibilidade dos produtos de tabaco.
9. Solicitamos que as Partes da CQCT incluam coletas de dados e relatórios baseados em gênero em seus relatórios de Partes para a Conferência das Partes sobre a implementação da CQCT até a COP9.
10. Pedimos que a Organização Internacional do Trabalho (OIT) siga a decisão do Conselho Econômico e Social das
Nações Unidas (ECOSOC) e pare de colaborar com a indústria do tabaco imediatamente.
Solicitamos que, até 2021, os governantes desenvolvam um plano para gradativamente cessar a venda de produtos de tabaco.


How Obesity Dulls the Sense of Taste

by Neuroscience News
Researchers report inflammation driven by obesity reduces the number of taste buds in mice. As a result, obese mice had a diminished sense of taste.
Neuroscience News | March 20, 2018 at 11:23 am | Tags: TNF- alpha | URL:
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Professor Stephen Hawking changed the way we understand the universe and leaves a legacy of theory ranging from black holes to the quantum effect on time
The world is mourning the passing of iconic theoretical physicist Stephen Hawking, an inspiration for his scientific achievements as well as his tenacity in dealing with a debilitating illness. Much has been written about Hawking’s impish wit, his celebrity and his personal life. But what about his scientific legacy?
Professor Hawking’s work concerned Einstein’s general theory of relativity, our best theory of gravitation, that recently received further triumphant confirmation through the discovery of gravitational waves.
The discovery of gravitational waves confirmed the existence of black holes. Picture: Shutterstock

Equinócio 2018

Equinócio de Outono 2018

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US expensive health care

America spends twice as much on health as 10 other rich countries, due to the high cost of everything from prescriptions to doctors
Just 90% of Americans have health insurance, leaving about 27 million people without access to healthcare.
 Just 90% of Americans have health insurance, leaving about 27 million people without access to healthcare. Photograph: Peter Byrne/PA

The United States spends twice as much on healthcare as 10 other high-income nations, driven by the high price of everything from prescription drugs to doctors’ salaries, a new study in the Journal of the American Medical Association finds.

Betanin and AD

Compound in Beets May Help Slow Alzheimer’s

by Neuroscience News
beets“Our data suggest that betanin, a compound in beet extract, shows some promise as an inhibitor of certain chemical reactions in the brain that are involved in the progression of Alzheimer’s disease,” says Li-June Ming, Ph.D. image is in the public domain.
According to researchers, betanin, a compound in beetroot extract, could help inhibit the accumulation of misfolded proteins and slow the progression of Alzheimer's disease.
Neuroscience News | March 20, 2018 at 6:41 am | Tags: beetrootbeetsbetaninDTBCneurodegnerative diseases | URL:
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Isaac Newton

Isaac Newton, portrait by Sir Godfrey Kneller, 1689.Sir Isaac Newton
Sir Isaac Newton, whose Principia (1687) was one of the most important single works in the history of modern science and who was the culminating figure of the scientific revolution of the 17th century, died this day in 1727.

Monday, March 19, 2018

Fear Chemistry

Decoding the Chemistry of Fear

by Neuroscience News
Discovery about fear pathways in the brains of worms could have implications for better understanding anxiety in humans, researchers report.
Neuroscience News | March 19, 2018 at 1:27 pm | Tags: CNGsulfolipids | URL:
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