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Em 2026: 0 notícias
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Ultra-processed foods a danger to global public health, experts warn
Publicado em 20 de novembro de 2025
Ultra-processed foods (UPFs) are a major public health threat that must be urgently addressed, according to a new series of papers authored by 43 global experts in the Lancet medical journal.
The scientists, including the Brazilian professor who coined the term with colleagues around 15 years ago, argue that UPFs are now increasingly common worldwide and are linked to a decline in diet quality and a number of diseases, from obesity to cancer.
“It’s about the evidence we have [...]
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A Brazilian plant's compound may be key to treating kala-azar
Publicado em 09 janeiro 2025Kala-azar or visceral leishmaniasis, a deadly neglected tropical disease, can be better treated using a compound derived from Nectandra leucantha, a tree native to southern Brazil (local names: canela-seca or canela-branca), claimed a study. Kala-azar is caused by a protozoan parasite transmitted by a sand-fly bite and is characterised by long bouts of fever, loss of weight and muscle strength, enlargement of the spleen and liver, and anaemia. An international team of researchers from [...]ver notícia -
There's a ring around this dwarf planet which shouldn't be there
Publicado em 13 fevereiro 2023“That’s very strange,” said Professor Bruno Morgado from the Federal University of Rio de Janeiro in Brazil. He is the lead author of a paper published in the journal Nature in February that describes the ring that encircles Quaoar, a planetary body about 1126km in diameter that orbits the Sun at a distance of about 6.4 billion km. Quaoar pronounced KWA-wahr, the name of the creator god for the Indigenous Tongva people who live around Los Angeles) is a little less than [...]ver notícia