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Desde 1995: 7 notícias
Study suggests prior Zika infection may heighten risk of severe dengue
Publicado em 07 de fevereiro de 2024
New Delhi, People who have had zika may be at a higher risk of developing severe dengue and being hospitalised, according to a study that has implications in the development of a vaccine. Previous research has shown that a second infection by any of the four known dengue strains is known to be typically more severe than the first.
However, until now no correlation between this fact and the occurrence of other diseases had been investigated.
Dengue and zika are both transmitted by the same [...]
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New study discerns anxiety-relieving mechanism of growth hormone
Publicado em 05 janeiro 2024Synopsis The study, conducted on mice, revealed that a lack of growth hormone receptors in somatostatin-expressing neurons led to increased anxiety levels. iStock NEW DELHI: Researchers have detailed the mechanisms through which growth hormones, which help build bones and muscles, also help relieve anxiety. The researchers at the University of Sao Paulo (USP), Brazil, found that male mice displayed higher levels of anxiety when their neurons lacked growth hormone receptors, or agents [...]ver notícia -
MicroRNAs in blood can tell a story about our mental health : Study
Publicado em 09 maio 2023Researchers have analysed microRNAs in extracellular vesicles (EVs), produced by most cells in the body including neurons and other nervous system cells, and found them to be associated with mental health disorders. The study by researchers at the Federal University of Sao Paulo (UNIFESP) in Brazil is published in the journal Translational Psychiatry. MicroRNAs (miRNAs) are small transcripts that target messenger RNAs and regulate the expression of several genes at once. They can be detected [...]ver notícia -
Poor diet linked to 14 million cases of type 2 diabetes globally: Study
Publicado em 18 abril 2023Poor diet contributed to over 14.1 million cases of type 2 2 diabetes in 2018, representing over 70 per cent of new diagnoses globally, according to a study. Of the 30 most populated countries studied, India, Nigeria, and Ethiopia had the fewest case of type 2 diabetes related to unhealthy eating, the researchers said. The analysis, published in the journal Nature Medicine, looked at data from 1990 and 2018, providing valuable insight into which dietary factors are driving type 2 diabetes [...]ver notícia -
Model created using AI and tweets to help early detection of mental disorders
Publicado em 11 abril 2023Work is underway to create anxiety and depression prediction models, using artificial intelligence (AI) and Twitter, one of the world's largest social media platforms, that could detect signs of these illnesses before clinical diagnosis, according to researchers. Researchers at the University of Sao Paulo (USP) in Brazil said that preliminary findings from the model suggested the possibility of detecting the likelihood of a person developing depression based solely on their social media [...]ver notícia -
Scientists make 'disturbing' discovery on remote island, spot plastic rocks off Brazilian coast
Publicado emRIO DE JANEIRO: There are few places on Earth as isolated as Trindade island, a volcanic outcrop a three- to four-day boat trip off the coast of Brazil. So geologist Fernanda Avelar Santos was startled to find an unsettling sign of human impact on the otherwise untouched landscape: rocks formed from the glut of plastic pollution floating in the ocean. Santos first found the plastic rocks in 2019, when she travelled to the island to research her doctoral thesis on a completely different [...]ver notícia -
Lithium-air batteries may power future cars, houses: Study
Publicado em 19 fevereiro 2019Current lithium ion battery technology will not be able to handle the coming decades' huge demand for energyver notícia