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The profound changes undergone by a woman’s body during pregnancy affect her metabolism and gut microbiota – the diverse community of microorganisms (bacteria, archaea, fungi and viruses) that inhabit the digestive tract. A study involving 34 Brazilian pregnant women found that certain alterations in the gut microbiota are associated with different intensities of depressive symptoms. An article on the research project is published in the Brazilian Journal of [...]

Impulse control disorder (ICD) is a class of psychiatric conditions characterized by potentially inadequate or harmful behavior that reflects a failure to resist urges or desires with potentially negative consequences.  A study conducted at the Psychiatry Institute of Hospital das Clínicas (HC), the hospital complex run by the University of São Paulo’s Medical School (FM-USP) in São Paulo city, Brazil, shows that people with ICD are more likely to exhibit [...]

Researchers at the State University of Campinas (UNICAMP) in São Paulo state, Brazil, have developed a sourdough bread formulation enriched with jabuticaba peel that could be an alternative for people with diabetes and others who need to control blood sugar. An article describing their research and test results is published in the journal Foods. As noted in the article, the high carbohydrate content of bread can sharply raise blood sugar levels, risking hyperglycemia. [...]

Impulse control disorder (ICD) is a class of psychiatric conditions characterized by potentially inadequate or harmful behavior that reflects a failure to resist urges or desires with potentially negative consequences.  A study conducted at the Psychiatry Institute of Hospital das Clínicas (HC), the hospital complex run by the University of São Paulo’s Medical School (FM-USP) in São Paulo city, Brazil, shows that people with ICD are more likely to exhibit [...]

Pancreatic cancer has recently been included in the list of diseases about which Brazil’s National Cancer Institute (INCA) periodically publishes statistics. Although it is not the most frequent type of cancer, its high lethality makes it one of the leading causes of death from cancer in Brazil, partly owing to late diagnosis.  “It’s striking how little data on the disease is available in Brazil and indeed in Latin America as a whole. There are no studies on pancreatic [...]

The rainforest in the Amazon basin transpires vast amounts of gaseous isoprene. Until now, it was assumed that this molecule is not transported far up into the atmosphere, as it rapidly declines when exposed to light conditions. The CAFE-Brazil measurement campaign provided data for two studies—now published as the Nature cover story—which demonstrate, however, that nocturnal thunderstorms transport the isoprene to an altitude of up to 15 kilometers. There, it [...]

A study in Brazil involving 89 father-mother-baby triads points to an association between paternal overweight and newborn birth weight: the higher the father’s body mass index (BMI, weight divided by height squared), the lower the baby’s birth weight. An article on the study is published in the International Journal of Obesity.  The findings reinforce the idea that anthropometric issues are not the sole responsibility of the mother and that the father [...]

Household utensils or objects for ritual use, gourds are present in various cultural environments in Brazil, especially in indigenous or riverside communities, but also in large cities in the Amazon region, such as Belém, capital of the state of Pará. “Gourds are believed to be among the first cultivated plants in the Amazon, and their use is probably even older than that of ceramics,” says researcher Renata Maria de Almeida Martins, professor at the Faculty of [...]

Brazilian researchers have used three-dimensional (3D) printing to develop an artificial skin model with properties that are more similar to those of human skin. The structure, called Human Skin Equivalent with Hypodermis (HSEH), could be used in studies to treat diseases and injuries such as wounds and burns, as well as in the development of medicines and cosmetics, without the need for animal testing.  The process of producing the material, which is made from stem cells (capable of [...]