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Key Takeaways Daily orange juice changed activity in 1,700+ genes Gene responses differed between normal weight and overweight individuals Experts say results are promising but are based on a small study without a control drink WEDNESDAY, Nov. 19, 2025 (HealthDay News) — Your morning orange juice may be influencing your health in ways you can't see. In a new study published recently in the journal Molecular Nutrition & Food Research , [...]

A 113-million-year-old fossilized ant is the oldest ever discovered. The “remarkably well-preserved" hell ant was found in limestone in Brazil. Scientists say it is a member of Haidomyrmecinae - an extinct group that only lived during the Cretaceous period. They had highly specialized, "scythe-like" jaws that they probably used to pin or impale prey, according to a study published in the journal Current Biology. Study author Anderson Lepeco said: “Our team [...]

Heavy drinkers have a higher risk of brain lesions associated with dementia Eight or more drinks a week increase risk of brain lesions caused by thickened arteries Heavy drinking also was associated with more tau tangles, a hallmark of advanced Alzheimer’s disease THURSDAY, April 10, 2025 (HealthDay News) -- 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 [...]

Drinking eight glasses of wine or pints of beer a week more than doubles the risk of brain damage compared to teetotallers, suggests new research. Boozers who down eight or more alcoholic drinks every week have an increased risk of brain lesions associated with memory and thinking problems, say scientists. They explained that the condition, caused hyaline arteriolosclerosis, causes the small blood vessels to narrow, becoming thick and stiff - making it harder for blood to flow, which can [...]

Weight training helps protect older people from dementia, according to new research. Volunteers with mild cognitive impairment who practiced strength training showed improvements in memory and brain anatomy after six months, say scientists. Weight training has been previously shown to improve strength and muscle mass, reduce body fat, and contribute to well-being and mental health. Now, a new study conducted at the State University of Campinas (UNICAMP) in Brazil suggests it protects [...]

Researchers say the flea toad measures just 6.95 millimeters in length and can fit on the tip of a finger. The name of the new species, B. dacnis, pays tribute to Project Dacnis, a conservation, research and education NGO that maintains private areas of the Atlantic Rainforest, including the one where the animal was found, in Ubatuba, on the coast of São Paulo state. Luís Felipe Toledo, corresponding author of the article and a professor in the Institute of Biology [...]

Key Takeaways Microplastics have been found in numerous human organs, and a new autopsy study finds the brain might now be included on that list 8 of 15 autopsies showed evidence of microplastics in the brain's olfactory bulb The particles might be breathed in, since they are ubiquitous components of air, especially indoors Researchers in Germany and Brazil say that 8 out of 15 autopsied adults had microplastics detected within their brain's smell [...]

Some plant species will be “winners” while others will be “losers” as global warming forces them to move uphill, suggests a new study. Researchers examined the current range of more than 7,000 plant species in Brazil's Cerrado savanna. They found that the fate of plant species will depend on where they live: lowland species can move uphill for cooler conditions, but mountain plants have nowhere to go. Dr. Mateus Silva, of the University of Exeter said: [...]

Teenagers glued to their screens for more than three hours a day suffer worse back pain, a new study has revealed. Girls suffer worse than boys, and back pain is also associated with physical inactivity and low academic achievement. The nearness of the screen to the eyes as well as sitting or lying on your stomach while viewing were also risk factors, along with the duration. The team at São Paulo Research Foundation (FAPESP) in Brazil analyzed data from more than 1,600 school [...]