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A new study has found that cardiopulmonary exercise testing (CPET) can be used for early detection of respiratory disorders in overweight and obese individuals. This is the main finding of a study by Brazilian researchers that set out to examine the influence of obesity on physiological responses obtained with CPET. The findings of the study were published in the journal ‘PLOS ONE’. Most of the authors are researchers in the Department of Human Movement Sciences at the Federal [...]

A Brazilian study published in the journal Communications Earth & Environment shows how wildfires and forest burning for agriculture influence rain cloud formation in the Amazon. According to the authors, aerosols (tiny solid particles and liquid droplets emitted into the atmosphere by fire) hinder the freezing of cloud droplets when the atmosphere is humidified, but can also promote freezing when the atmosphere is dry. This alters the natural functioning of clouds and their typical height, [...]

A pandemic covid-19 made clearer the need for the so -called sentinel system, which monitors pathological agents to avoid outbreaks or even predict future epidemics. In addition to viruses such as Sars-CoV-2, however, it is also important to monitor fungi and bacteria that have not yet been effectively treated and can spread. This is the theme of the 4th FAPESP 60th Anniversary Conference, “Global Health Challenges”. The event was moderated by Helena Nader, professor at the [...]

A water fungus that has led to the extinction of many species of amphibians with part or all of their life in water also threatens terrestrial frogs. A team of researchers supported by FAPESP found in the Atlantic Forest an unprecedented mortality rate of frogs developing far from the aquatic environment. Amphibians are infected with a high load of chytrid fungus (Batrachochytrium dendrobatidis), caused by chytridiomycosis. The studying, published in the magazine Biological [...]

Seguindo, desde o ano passado, pacientes do sexo masculino tiveram covid-19, do andrologista Jorge Hallak, professor da Faculdade de Medicina de Universidade de São Paulo, começaram a notar que os resultados de seus testes hormonais e de fertilidade permaneceram inalterados por muitos meses após a recuperação da doença. Apesar de um teste preliminar e de não ser capaz de diagnosticar fertilidade ou infertilidade, a contagem de [...]

Sepsis is the leading cause of death of Brazil’s intensive care units (ICUs). Among patients progressing to the acute form of the disease, 40% die, and survivors often suffer from cardiovascular and neurological complications, as well as a significant decline in immunity that lasts for many years. after they were discharged from the hospital. "Studies suggest that sepsis survivors face a seven times higher risk of developing a severe infection than individuals who have never had the [...]

A team led by researchers at the Butantan Institute and funded by the São Paulo Research Foundation-FAPESP has completed the first genome sequencing of a snake in Brazil. The study was reported in an article published in the journal PNAS. This suggests that the nine genes that encode the toxins produced by the jararaca pit viper The samerops jararaca may have been derived from genes that had different functions in the ancestral species. “In sequencing the snake genome, we [...]

RIO – Pesquisa mostra que a prevalência da variante Gama (P.1) foi responsável por aumento significativo de casos graves (127%) e óbitos (162%) nos meses de março e abril de 2021, no município de São José do Rio Preto (SP), mas essa vacinação e o bloqueio de 15 dias mitigaram seus danos. O estudo foi publicado na plataforma medRxiv, mas sem revisão por pares. – Essa é a conclusão esperada, mas eles [...]

Ao relacionar dados de sequência genômica e análises epidemiológicas na cidade de São José do Rio Preto (SP), os pesquisadores conseguiram demonstrar o impacto da proliferação da variante P.1 (denominada Gamma) na liberação de casos e óbitos do COVID-19. A maior transmissibilidade dessa cepa esteve associada ao aumento significativo de casos graves (127%) e óbitos (162%) nos meses de março e abril de 2021, [...]