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Desde 1995: 5 notícias
113-million-year-old ant found in Brazil oldest ever discovered
Publicado em 24 de abril de 2025
A 113-million-year-old fossilized ant is the oldest ever discovered.
The “remarkably well-preserved" hell ant was found in limestone in Brazil.
Scientists say it is a member of Haidomyrmecinae - an extinct group that only lived during the Cretaceous period.
They had highly specialized, "scythe-like" jaws that they probably used to pin or impale prey, according to a study published in the journal Current Biology.
Study author Anderson Lepeco said: “Our team [...]
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Heavy Drinking Linked To Brain Damage, Increased Risk Of Dementia
Publicado em 10 abril 2025THURSDAY, April 10, 2025 (HealthDay News) -- Heavy drinkers have an increased risk of developing brain lesions associated with memory and thinking problems, a new study says. Folks who imbibe eight or more alcoholic drinks a week have an increased risk of hyaline arteriolosclerosis, or a thickening and narrowing of the small arteries that feed the brain, researchers reported April 9 in the journal Neurology This condition makes it harder for blood to flow, which can damage the brain over [...]ver notícia -
This many drinks a week more than doubles risk of brain damage
Publicado em 09 abril 2025Drinking eight glasses of wine or pints of beer a week more than doubles the risk of brain damage compared to teetotallers, suggests new research. Boozers who down eight or more alcoholic drinks every week have an increased risk of brain lesions associated with memory and thinking problems, say scientists. They explained that the condition, caused hyaline arteriolosclerosis, causes the small blood vessels to narrow, becoming thick and stiff - making it harder for blood to flow, which can [...]ver notícia -
Teenage screen time linked to back pain and low achievement
Publicado em 25 abril 2023Teenagers glued to their screens for more than three hours a day suffer worse back pain, a new study has revealed. Girls suffer worse than boys, and back pain is also associated with physical inactivity and low academic achievement. The nearness of the screen to the eyes as well as sitting or lying on your stomach while viewing were also risk factors, along with the duration. The team at São Paulo Research Foundation (FAPESP) in Brazil analyzed data from more than 1,600 school [...]ver notícia -
Even Mild COVID Might Change Your Brain
Publicado em 21 fevereiro 2023TUESDAY, Feb. 21, 2023 (HealthDay News) -- People who are experiencing anxiety and depression months after a mild case of COVID-19 may have changes affecting the structure and function of their brains, Brazilian researchers report. “There is still much to learn about long COVID, which includes a wide range of health problems, including anxiety and depression, months after infection,” said Dr. Clarissa Yasuda of the University of Campinas in São Paulo. “Our [...]ver notícia