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The world's largest factory that produces mosquitoes that can prevent dengue, Zika and chikungunya viruses from reproducing has opened in Curitiba, Brazil, aiming to boost protection in 40 municipalities with high infection rates. The mosquitos, which are infused with the Wolbachia bacterium, prevents viruses carried by the Aedes aegypti mosquito from reproducing, sharply reducing the insect's ability to transmit diseases. The factory, built by the Oswaldo Cruz Foundation in [...]

ST. PAUL, Minn., April 28 (UPI) -- A study released Monday links a total of more than 124,000 preventable, premature deaths in the United States over two years to adverse health affects from consuming ultra-processed foods. The study's Brazilian authors also analyzed data on ultra-processed food consumption from seven other countries, concluding that premature deaths tied to unhealthy diets are a growing global phenomenon calling for coordinated international action. In addition to [...]

Heavy drinkers have an increased risk of developing brain lesions associated with memory and thinking problems, a new study says. Folks who imbibe eight or more alcoholic drinks a week have an increased risk of hyaline arteriolosclerosis, or a thickening and narrowing of the small arteries that feed the brain, researchers reported Wednesday in the journal Neurology This condition makes it harder for blood to flow, which can damage the brain over time, researchers said. It appears as [...]

Researchers in Germany and Brazil say that 8 out of 15 autopsied adults had microplastics detected within their brain's smell centers, the olfactory bulb.   The particles were likely breathed in over a lifetime, since tiny floating microplastics are ubiquitous in the air. Although microplastics have already been found in human lungs, intestines, liver, blood, testicles and even semen, it had long been thought that the body's protective blood-brain barrier might keep the [...]

For the first time, scientists have detected microscopic microplastics lodged in the human brain. Researchers in Germany and Brazil say that 8 out of 15 autopsied adults had microplastics detected within their brain's smell centers, the olfactory bulb. The particles were likely breathed in over a lifetime, since tiny floating microplastics are ubiquitous in the air. Although microplastics have already been found in human lungs, intestines, liver, blood, testicles and even semen, it [...]

Most cases of Type 2 diabetes can be linked to making poor food choices, a new study finds. Researchers from Tufts University in Boston linked poor diet to 14 million cases of Type 2 diabetes -- about 70% of new diagnoses globally -- in 2018. The biggest impact came from insufficient intake of whole grains, too much refined rice and wheat, and overconsumption of processed meat. "Our study suggests poor carbohydrate quality is a leading driver of diet-attributable Type 2 diabetes [...]

People who are experiencing anxiety and depression months after a mild case of COVID-19 may have changes affecting the structure and function of their brains, Brazilian researchers report. "There is still much to learn about long COVID, which includes a wide range of health problems, including anxiety and depression, months after infection," said Dr. Clarissa Yasuda of the University of Campinas in São Paulo. "Our findings are concerning, as even people with a mild [...]

Feb. 8 (UPI) -- Astronomers have discovered a ring around a dwarf planet called Quaoar in the outer reaches of the solar system. The ring was found at seven and a half times the radius of Quaoar, much farther away from a planet than is usual. The finding was made during an occultation event, when a planet passes directly in front of a star, allowing the space-based telescope Cheops to observe its silhouette. "When we put everything together, we saw drops in brightness [...]

Sept. 21 (UPI) -- Dieting by cutting protein intake may be as effective as restricting calories for people trying to fight obesity, diabetes and high blood pressure, a small study suggests. So, that means setting aside the steak, but passing the mashed potatoes. The study by researchers in Brazil and Denmark, which compared the effects of protein and calorie restriction diets in patients with metabolic syndrome, was published in the journal Nutrients. They said their [...]