Todas as espectacularidades da Internet, estranhas ou não, exceptuando a pornografia em geral (pun)
sexta-feira, 17 de abril de 2020
Sobre a origem...
terça-feira, 11 de fevereiro de 2020
Primeiro modelo de representação de protocolos médicos
segunda-feira, 27 de janeiro de 2020
Corona vírus em tempo real
https://pplware.sapo.pt/internet/coronavirus-saiba-em-tempo-real-o-impacto-deste-virus-num-mapa/
Mapas aqui:
https://gisanddata.maps.arcgis.com/apps/opsdashboard/index.html#/bda7594740fd40299423467b48e9ecf6
Coronavirus
https://goo.gl/maps/BK46jMpaUCeKscet7
terça-feira, 10 de dezembro de 2019
Neurónios artificiais?
https://zap.aeiou.pt/neuronios-artificiais-curar-doencas-295224
Citando:
"Os investigadores conseguiram replicar as dinâmicas naturais em ratos, usando chips de silicone.
“Até agora, os neurónios eram como caixas negras, mas conseguimos abri-la e espiá-la por dentro. O nosso trabalho altera paradigmas porque fornece um método robusto para reproduzir as propriedades elétricas dos neurónios reais em detalhes mínimos”, disse o autor do estudo, Alain Nogaret.
O investigador realça ainda que uma das vantagens da sua inovação é que os seus neurónios precisam de pouca energia (140 nanowatts)."
domingo, 6 de outubro de 2019
A origem da peste negra?
Veio da Rússia:
https://zap.aeiou.pt/ja-sabe-veio-peste-negra-284040
terça-feira, 7 de maio de 2019
Apneia
https://www.noticiasdecoimbra.pt/investigadores-de-coimbra-desenvolvem-sistema-inovador-de-diagnostico-da-apneia-do-sono/
Citando:
"Coimbra (CHUC).
Os investigadores procuram encontrar um biomarcador para a apneia do sono, ao mesmo tempo que é estudada a relação entre esta doença e o envelhecimento.
“O Síndrome da Apneia Obstrutiva do Sono (SAOS) constitui uma das perturbações do sono mais comuns, tendo como consequências uma sonolência diurna elevada, que diminui o bem-estar, e o aparecimento de doenças crónicas como diabetes, doenças cardiovasculares e demência”, refere Cláudia Cavadas, do Centro de Neurociências e Biologia Celular (CNC), da Universidade de Coimbra.
A investigadora adianta que, segundo estimativas, “80-90% dos casos de SAOS não tenham sido ainda diagnosticados, e, como tal, não estejam a ser devidamente acompanhados e tratados”.
Atualmente, o diagnóstico da doença é feito com recurso a um estudo cardiorrespiratório domiciliário (utilizado em mais de 95% dos casos) ou através da polissonografia, um estudo mais completo realizado em contexto hospitalar."
domingo, 14 de abril de 2019
Mediterrâneo e doenças tropicais
https://www.theguardian.com/science/2019/apr/14/tropical-insect-diseases-europe-at-risk-dengue-fever
Citando:
"Global warming has allowed mosquitoes, ticks and other disease-carrying insects to proliferate, adapt to different seasons and invade new territories across Europe over the past decade, with accompanying outbreaks of dengue in France and Croatia, malaria in Greece, West Nile fever in south-east Europe and chikungunya in Italy and France."
sábado, 13 de abril de 2019
Moto e meditação...
sexta-feira, 29 de março de 2019
A neurogénese confirmada...
... pelo menos até aos 90:
https://tvi24.iol.pt/tecnologia/cerebro/seres-humanos-produzem-neuronios-ao-longo-de-toda-a-vida-diz-estudo
Citando:
"Investigadores da Universidade Autónoma de Madrid descobriram que o cérebro continua a produzir neurónios ao longo da vida. A pesquisa, publicada na revista Nature Medicine na segunda-feira, chegou à conclusão de que já nascemos com a maioria das nossas células cerebrais, mas os cientistas encontraram neurónios novos ou “imaturos” até à nona década de vida.
Isso confirmaria a neurogénese, ou seja, a formação de novos neurónios."
sábado, 19 de janeiro de 2019
quinta-feira, 18 de outubro de 2018
Subida no ranking de expectativa de vida (PT e Espanha)
https://www.cnn.com/2018/10/17/health/life-expectancy-forecasts-study-intl/index.html
Citando:
"The findings add to a study last month which found that adhering to a Mediterranean diet can prolong people's lives.
Spain is one of several European countries to offer tax-funded healthcare, with their healthcare system ranked as the seventh best in the world by the World Health Organization.
Neighboring Portugal was the biggest riser in the top 20, forecasted to add 3.6 years to its average life expectancy and rising from 23rd to fifth. Italy moved up one spot from seventh to sixth."
(...)
"
The top ten
Based on life expectancy forecast for 2040:
- Spain (85.8 years)
- Japan (85.7 years)
- Singapore (85.4 years)
- Switzerland (85.2 years)
- Portugal (84.5 years)
- Italy (84.5 years)
- Israel (84.4 years)
- France (84.3 years)
- Luxembourg (84.1 years)
- Australia (84.1 years)"
quarta-feira, 12 de setembro de 2018
Saúde mental e música
https://www.sciencedaily.com/releases/2015/10/151022094959.htm
Citando:
""Some ways of coping with negative emotion, such as rumination, which means continually thinking over negative things, are linked to poor mental health. We wanted to learn whether there could be similar negative effects of some styles of music listening," explains Emily Carlson, a music therapist and the main author of the study.
Participants were assessed on several markers of mental health including depression, anxiety and neuroticism, and reported the ways they most often listened to music to regulate their emotions. Analysis showed that anxiety and neuroticism were higher in participants who tended to listen to sad or aggressive music to express negative feelings, particularly in males. "This style of listening results in the feeling of expression of negative feelings, not necessarily improving the negative mood," says Dr. Suvi Saarikallio, co-author of the study and developer of the Music in Mood Regulation (MMR) test."
Ultrassons a 100€?
https://www.sciencedaily.com/releases/2018/09/180911110232.htm
Citando:
"Engineers have developed a new ultrasound transducer, or probe, that could dramatically lower the cost of ultrasound scanners to as little as $100. Their patent-pending innovation -- no bigger than a Band-Aid -- is portable, wearable and can be powered by a smartphone."
terça-feira, 11 de setembro de 2018
Metástases e mutações comuns
https://www.sciencedaily.com/releases/2018/09/180906141313.htm
Citando:
"A tumor composed of billions of cells is riddled with genetic mutations; cancer cells and normal cells acquire multiple mutations as they divide. Identifying the driver mutations that significantly contribute to cancer development is critical to precision oncology, in which doctors aim to treat a patient's cancer based on its genetic composition.
"Doctors might take a sample of the primary tumor and find some mutation -- call it mutation X -- in a driver gene and then treat it with a drug that targets that driver gene to specifically kill all cells that have mutation X," Reiter said. "But what if that particular mutation is only present in some of the metastases of the patient?" Only the metastases composed of cells with mutation X would respond to treatment and shrink or go extinct; those without mutation X would continue to grow. In the end, the doctor wouldn't see a remission of the patient's cancer if driver mutations were different across its metastases. "So that's why it's very important for us to know whether or not the driver gene mutations are the same across all metastases of the patient," Reiter said."
terça-feira, 21 de agosto de 2018
Tipologias de escritórios e stress?
https://moneyish.com/hoard/the-secret-to-less-stress-at-work-is-the-last-thing-youd-expect-it-to-be/
Citando:
"Refined, bleached and deodorized, or R.B.D., coconut oil, which has been treated with solvents and subjected to intense heat, raises cholesterol so reliably that scientists have used it as a control when running experiments on different fats. The harsh processing may destroy some of the good essential fatty acids and antioxidants, such as lauric acid, a medium chain fatty acid believed to raise good H.D.L. cholesterol.
“If you’re going to use coconut oil, make sure you get virgin oil,” Dr. Brenna said. “And, of course, everything in moderation.”"
Mudanças no tipo de sangue?
https://www.bbc.com/news/health-45244770
Citando:
"The discovery is enzymes from gut bacteria that can efficiently turn type-A human blood into type-O.
Type-O blood is special because it can be donated to anyone without the risk of a bad mismatch reaction.
The researchers, from the University of British Columbia, say clinical trials of the treatment could begin soon.
The gut bug enzymes remove markers from the surface of the donor red blood cells present in type A but not in type O.
Stripping them away means the recipient's immune system will think the donor type-A blood is type-O and will not attack it for being "foreign"."
segunda-feira, 20 de agosto de 2018
O meu pulmão de ferro (polio)?
http://www.foxnews.com/health/2018/08/20/iron-lung-keeping-woman-alive-for-decades-now-one-last-remaining-in-us.amp.html
Citando:
"Randolph, who was able to live without the iron lung until her symptoms worsened in the late 70s, cannot climb into the machine by herself, and has to be put in her pajamas by husband Mark, and then loaded into a sling that hoists her from her bed over to the machine, The Kansas City Star reported.Then someone has to adjust her blankets to ensure she is not cold, and turn on the machine before the process is repeated in reverse the following morning.
If a piece of the machine malfunctions, Mark, a software engineer, or her cousin, a former aircraft mechanic, work on the repairs, Gizmodo reported. Mark told the news outlet that running the machine and associated repairs cost about the same as buying a new car each year.
“The ‘yellow submarine’ is my necessary trusted, mechanical friend,” she previously told Gizmodo. “I approach it with relief in store at night and thankfully leave it with relief in the morning.”"
quinta-feira, 9 de agosto de 2018
Vírus em bloco mais contagiosos...
https://text.npr.org/s.php?sId=637015778
Citando:
"Before this new research, scientists thought individual particles of a virus spread illnesses more effectively. It seemed like basic arithmetic. If you have 1,000 virus particles, you have 1,000 chances for cells to become infected. If you have only 20 clusters of viruses, they have only 20 chances to attack cells. Right?
Nope. In 2015, the researchers discovered that the viral clusters were much more effective at attacking human cells. But those results were from laboratory experiments. Could the same hold true in real life?"
terça-feira, 7 de agosto de 2018
Testes genéticos e seguros de saúde
domingo, 22 de janeiro de 2017
Abstinência aumenta longevidade?
https://www.thesun.co.uk/living/2677263/experts-have-come-up-with-a-simple-way-to-live-for-longer-but-it-involves-giving-up-sex/
Citando:
"Even though the study is yet to be tested on humans, leader of research Dr Michael-Silva believes the same principle can be applied.
He explained: “Nuns tend to have a longer lifespan than women with children and most people know of someone with a maiden aunt who seems to live forever.
“The question is, why? The beetles which mate die sooner than the beetles which don’t mate.”
Not only is the immune system believed to weaken during sex, there is the added risk of contracting an STI."