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Covid-19 au Brésil : Manaus aurait atteint le seuil d’immunité collective
Publicado em 24 setembro 2020
Selon une étude publiée mercredi, 66?% des habitants de Manaus, dans le nord du Brésil, posséderaient des anticorps contre le coronavirus, permettant de contrôler la circulation virale.
Les habitants de la ville brésilienne de Manaus, fortement infectés par le coronavirus, bénéficieraient désormais d’un niveau d’immunité collective permettant de contrôler la circulation virale, selon une étude [...]
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DECODED: HOW STRESS TURNS HAIR WHITE
Publicado em 23 janeiro 2020According to the scientists, the sympathetic nervous system, which triggers the body's rapid involuntary response to dangerous situations, is affected directly by the stress, and consists of nerves that branch from the spine and run throughout the body. Researchers have identified for the first time the mechanism by which chronic stress causes hair colour loss, an advance that may lead to the development of novel drugs which can prevent the whitening of hair. In the study, published [...]ver notícia