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Memory loss and attention deficit are frequent complaints of people who have survived severe COVID-19, but these and other cognitive impairments have also been observed in mild cases more than 18 months after the start of the infection, according to a study by researchers at the University of São Paulo (USP) in Brazil. The study is published in the journal BMC Psychology. The findings highlight the need for more comprehensive rehabilitation to address the enduring [...]

A study conducted in Brazil points to long-term functional abnormalities in their lungs two years after hospital discharge in most severe COVID-19 patients who had required intubation, and a return of pulmonary lesions after 24 months in some people who appeared to have fully recovered on being discharged. The study involved 237 patients admitted to Hospital das Clínicas, a hospital complex run by the University of São Paulo's Medical School (FM-USP), between March and [...]

Already at the beginning of the COVID-19 pandemic, a group of Brazilian researchers pioneered in showing why SARS-CoV-2 infection tends to be more severe in diabetic patients. Now, the same team based at the Institute of Biology of the State University of Campinas (IB-UNICAMP) has discovered one of the reasons why obese people who do not have diabetes or even insulin resistance also have an increased risk of developing the severe form of the disease. “New experiments show that the [...]

For the first time, researchers have identified a group of neurons deep in the brain that are associated directly with compulsive eating and food craving. The discovery is reported in an article published in Nature Communications by researchers at the University of California, Los Angeles (UCLA) in the United States and the Federal University of the ABC (UFABC) in São Bernardo do Campo, São Paulo state (Brazil). The neurons are located in the periaqueductal gray, a region of [...]

Anti-obesity drugs such as Ozempic were the "breakthrough of the year" in 2023, according to the AAAS journal Science. Overweight and obesity rates are rising worldwide, with several Latin American countries in the forefront. Estimates for 2020 pointed to a global obesity rate of 14%, and experts predicted 24% by 2035, including both adults and children. "Nutritional and pharmacological strategies are important to mitigate the problem, but is this enough? We know socioeconomic [...]

The concept of “One Health” – which emphasizes the relationship between human, animal, plant and environmental health – has been gaining ground in scientific discussions in recent years. Brazilian and North American researchers developing research using this approach presented their work on Tuesday (April 9th), in Chicago (United States), during FAPESP Week Illinois. One of the panelists was Eduardo Esteban Bustamante, a professor at the University of Illinois in [...]

The chikungunya virus, transmitted by Aedes aegypti and Aedes albopictus mosquitoes and responsible for more than 900 deaths in Brazil since it arrived around ten years ago, is capable of spreading through the blood, reaching multiple organs and crossing the blood-brain barrier, which protects the central nervous system. The mechanisms of action observed for the first time in fatal cases by a group of Brazilian, American and British researchers are reported in an article published in Cell [...]

Offspring of rats that consume excessive amounts of fructose develop disturbances in the autonomic nervous, cardiovascular, and metabolic systems at an early age, increasing the risk of chronic diseases such as diabetes and obesity in adulthood, according to a study conducted by Brazilian scientists. The study is published in the International Journal of Obesity. The findings confirm information in the scientific literature regarding the appearance of metabolic disorders such as high levels [...]

Motivated by a desire to control their weight or live a healthier life, large numbers of people display behavior, thoughts or feelings about food and the body referred to by specialists as “dysfunctional dietary behavior” or “disordered eating attitudes”, a risk factor for the development of eating disorders. They include people who start a restrictive diet on impulse, fast for long periods, indulge in binge eating or feel guilty when they eat certain foods. A group [...]