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Difficulty finding words or the habit of substituting them with others that are similar semantically—such as knife and cutter—or phonologically—such as knife and wife—are usually the first symptoms of a type of dementia known as primary progressive aphasia (PPA). Another sign is a subtle difficulty in forming sentences, evidenced by verbal and nominal agreement errors that have never been made before, or reversal of word order, for example. Writing errors (dysgraphia) [...]

A diet rich in produce such as grapes, strawberries, açaí, oranges, chocolate, wine and coffee can reduce the risk of metabolic syndrome by as much as 23%, according to the findings of a study involving more than 6,000 Brazilians, the largest in the world to associate the effects of consuming polyphenols with protection against cardiometabolic problems. The study is published in the Journal of Nutrition Metabolic syndrome, a cluster of metabolic abnormalities and hormone [...]

Key Takeaways Intermittent fasting is a popular weight loss strategy with many known health benefits. Research on mice demonstrated how intestinal cells proliferate more rapidly during the post-fast refeeding window. Although rapid cellular regeneration is generally considered beneficial, there’s potential for harm when genetic conditions are favorable for cancer growth. Most people take one of two approaches to weight loss: They restrict calories by [...]

A recent animal study published in Current Developments in Nutrition found that adding Saccharomyces cerevisiae UFMG A-905 (a strain of brewer’s yeast) to bread could potentially attenuate the effects of allergic asthma. Findings included partially reduced airway inflammation and a reduction in eosinophils as well as Interleukin 5 and Interleukin 13 concentrations. The researchers found that when bread also contained microcapsules of the live yeast, the [...]

A new study has revealed important insights into how SARS-CoV-2 and its variants escape the immune system. The findings pave the way for new therapeutic approaches against COVID-19. The research of the international team of scientists from the U.S., Brazil and Germany focused on the interactions between the virus and the human innate immune system. The study was led by a team from the Ragon Institute of Mass General, MIT and Harvard. The results are published in Cell. The [...]

Mosquito-transmitted dengue viruses have increased rapidly in both reach and number of infections in the past 24 years. Factors such as urbanization, increased global travel, and climate change have driven this rise. Vaccines are available but haven't been produced at a high enough volume to meet needs. In 2000, about half a million cases of dengue and 19,685 deaths were reported worldwide. By 2019, there were over 5 million cases and 30,000 deaths reported worldwide, the most [...]

After a one-year interdisciplinary therapy program that included clinical, nutritional, psychological and exercise counseling, a group of 22 obese adolescents not only lost weight but also exhibited lower blood levels of inflammatory and cardiovascular risk mediators. These two achievements led to reduced insulin resistance and hence a lower risk of diabetes, as well as less visceral fat and a better energy balance (the ratio of calorie intake to calorie expenditure). All these factors [...]

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 [...]

A 30-minute walk at moderate intensity temporarily reduced blood pressure in women with rheumatoid arthritis, not only at rest but also under stress. This was the conclusion drawn from a study involving physical and cognitive tests conducted at the University of São Paulo (USP) in Brazil. Rheumatoid arthritis is an autoimmune inflammatory disease affecting synovial joints and causing pain, swelling, and progressive physical incapacity. People with rheumatoid arthritis also tend to [...]