Outbreak of Salmonella Typhimurium Infections Linked to Commercially Distributed Raw Milk
https://www.cdc.gov/mmwr/volumes/74/wr/mm7427a1.htm
https://redd.it/1m8mv8h
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Air pollution raises risk of dementia, say Cambridge scientists. Most comprehensive study of its kind highlights dangers of vehicle emissions and woodburning stoves. For every 10 micrograms per cubic metre of PM2.5, relative risk of dementia increases by 17%. For soot, the risk rose by 13%.
https://www.theguardian.com/environment/2025/jul/24/air-pollution-raises-risk-of-dementia-say-cambridge-scientists
https://redd.it/1m8jcco
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Researchers have discovered that the human brain organizes visual memories through precise neural timing, recalling objects by categorizing them. These visual memory categories were decodable based on patients' brain signals
https://viterbischool.usc.edu/news/2025/07/unlocking-the-brains-filing-cabinet/
https://redd.it/1m8ecvx
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Administrative burdens limit the ability of people to access benefits that they are eligible for. These burdens arise via learning costs (knowing about the benefit), compliance costs (time and effort spent dealing with bureaucracy), and psychological costs.
https://www.aeaweb.org/articles?id=10.1257/jep.20231394
https://redd.it/1m8azf5
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The Covid-19 pandemic has led to more obese younger children, and more malnourished older children
https://www.doi.org/10.1001/jamanetworkopen.2025.19528
https://redd.it/1m8ag9p
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Psilocybin delays aging, extends lifespan, new Emory study suggests
https://news.emory.edu/stories/2025/07/hs_psilocybin_aging_study_10-07-2025/story.html
https://redd.it/1m88qwh
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Attractive long-term mates have an unexpected effect on women’s creativity - they are linked to lower creativity in women, and this drop was explained by heightened sexual arousal. However, men were more motivated to perform well after viewing attractive mates, which predicted greater creativity.
https://www.psypost.org/attractive-long-term-mates-have-a-weird-unexpected-effect-on-womens-creativity/
https://redd.it/1m82pib
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A Korean study found that the oral bacterium Fusobacterium nucleatum (Fn) worsens the prognosis of colorectal cancer (CRC). The study is significant as it is the first to identify the impact of Fn on B cell maturation in colon tissue using single-cell genomic bioinformatics analysis.
https://www.koreabiomed.com/news/articleView.html?idxno=28344
https://redd.it/1m7y99c
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A new study used AI to test what makes political talk better. Tone, reasoning, and compromise helped; partisanship did not. Minds did not change, but conversations improved.
https://www.science.org/doi/10.1126/sciadv.adv7864
https://redd.it/1m7vc8a
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Gold can be heated to 14 times its melting point without melting
https://www.newscientist.com/article/2489578-gold-can-be-heated-to-14-times-its-melting-point-without-melting/
https://redd.it/1m7bsz7
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A meta-analysis shows that even taking 7,000 steps per day can lower a person’s risk of disease | Hitting a 7,000-step target was linked with a 25 percent lower risk of cardiovascular disease, a 37 percent lower risk of dying from cancer and a 38 percent lower risk of dementia
https://www.sciencenews.org/article/how-many-steps-to-lower-health-risks
https://redd.it/1m7nv7v
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A newly discovered batch of fossils in the Grand Canyon, laid down just 3 million years after the Cambrian Explosion, shed new light on the little-understood evolutionary trends that directly followed the famous event
https://www.sciencealert.com/stunning-grand-canyon-fossils-reveal-evolutions-weird-experiments
https://redd.it/1m7gqlx
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Researchers develop temporary tattoos that can test for spiked drinks
https://www.ctvnews.ca/sci-tech/article/researchers-develop-temporary-tattoos-that-can-test-for-spiked-drinks/
https://redd.it/1m7ecnr
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Teeth marks made on the leg bone of a large avian reptile known as a terror bird 13 million years ago suggest an even bigger predator may have killed it, scientists say.
https://www.bbc.com/news/articles/cvg8d2j195yo
https://redd.it/1m74gn8
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A new study of people living with eating disorders has found that cannabis and psychedelics, such as ‘magic mushrooms’ or LSD, were best rated as alleviating symptoms by respondents who self-medicated with the non-prescribed drugs. The worst-rated drugs were alcohol, tobacco, nicotine and cocaine.
https://www.sydney.edu.au/news-opinion/news/2025/07/23/psychedelics-cannabis-treatment-eating-disorders-survey.html
https://redd.it/1m7804u
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New study of rats suggests more than 200 types of misfolded proteins could be associated with age-related cognitive decline. Findings could lead to new therapeutic targets and treatments in humans.
https://hub.jhu.edu/2025/07/11/misfolded-proteins-alzheimers-dementia/
https://redd.it/1m8lgxh
@rnerds
Study finds molecular "seesaw" involving 2 proteins in lung cancer cells, AXL & FN14. When one is blocked the other takes over and helps the tumor survive. A gelatin-based nanoparticle treatment was developed that shuts down both proteins, and shows promising results in early studies with mice.
https://showme.missouri.edu/2025/study-why-some-lung-cancer-treatments-stop-working-and-possible-fixes/
https://redd.it/1m8hwpk
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SARS-CoV-2 induces Alzheimer’s disease–related amyloid-β pathology in ex vivo human retinal explants and retinal organoids. This suggests that infection with SARS-CoV-2 can induce amyloid-β aggregation, which may be associated with neurological symptoms experienced in COVID-19.
https://www.science.org/doi/10.1126/sciadv.ads5006
https://redd.it/1m8g1iq
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Teens who vape or smoke more likely to experience depression and anxiety, study of over 60,000 u.s. students finds. Youth using both e-cigarettes and traditional tobacco report the highest levels of mental health struggles, according to 2021–2023 national youth tobacco survey data.
https://journals.plos.org/mentalhealth/article?id=10.1371/journal.pmen.0000370
https://redd.it/1m89uws
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The return of wolves to the Yellowstone National Park has led to an increased presence of aspen trees
https://doi.org/10.1016/j.foreco.2025.122941
https://redd.it/1m88vzy
@rnerds
Individuals adhering to ketogenic diet are less likely to suffer from depression. This diet typically includes meats, eggs, cheese, healthy fats, and low-carb vegetables, while avoiding bread, pasta, sugar, and most fruits.
https://www.psypost.org/individuals-adhering-to-ketogenic-diet-are-less-likely-to-suffer-from-depression/
https://redd.it/1m858wg
@rnerds
Spontaneous mind wandering linked to heavier social smartphone use | The findings suggest that this link is influenced by a mental tendency called online vigilance, and that mindfulness might weaken the connection.
https://www.psypost.org/spontaneous-mind-wandering-linked-to-heavier-social-smartphone-use/
https://redd.it/1m812gc
@rnerds
How much does online negativity really affect your mind. Research found even brief exposure to negative social media comments can trigger immediate anxiety and mood drops in adults, especially younger users
https://www.nature.com/articles/s41598-025-10810-8
https://redd.it/1m7yd30
@rnerds
COVID Can Cause Alzheimer's-Like Plaques in Eyes And Brain, Study Finds
https://www.sciencealert.com/covid-can-cause-alzheimers-like-plaques-in-eyes-and-brain
https://redd.it/1m7vjlr
@rnerds
New research reveals that tiny amounts of PFAS—widely known as “forever chemicals”—cross the placenta and breast milk to alter infants’ developing immune systems, potentially leaving lasting imprints on their ability to fight disease.
https://www.urmc.rochester.edu/news/story/forever-chemicals-lasting-effects-prenatal-pfas-exposure-shapes-baby-immunity
https://redd.it/1m7p3vx
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500-Million-Year-Old Fossil Suggests Ocean Origin For Spiders
https://www.sciencealert.com/500-million-year-old-fossil-suggests-ocean-origin-for-spiders
https://redd.it/1m7k28p
@rnerds
Studies show that certain mutations are common in people living in areas of pollution and are responsible for lung cancer in non-smokers. Gift article.
https://www.nytimes.com/2025/07/22/well/lung-cancer-nonsmokers.html?unlocked_article_code=1.Yk8.SeVm.DDzzcrA-t0qY&smid=nytcore-ios-share&referringSource=articleShare
https://redd.it/1m7hzz8
@rnerds
COVID-19 made our brains age faster: « COVID-19 is leaving all kinds of legacies on our health, both on our bodies and our brains. Researchers report that living through the pandemic aged our brains—whether or not you were infected with COVID-19. »
https://time.com/7304417/covid-19-brain-effects-aging/
https://redd.it/1m7dwxw
@rnerds
'Forever Chemicals' Detected in Reusable Feminine Hygiene Products | The discovery has raised health concerns and calls for both safer ingredients and clearer labeling from manufacturers.
https://www.newsweek.com/forever-chemicals-reusable-menustral-products-study-2102204
https://redd.it/1m79q3m
@rnerds
Study reveals that white sugar doesn’t just feed bacteria in your gut – it rewires them. Looking at cell culture, mice and humans, researchers discovered that consuming sugar can trigger physical flips in bacterial DNA, setting off a chain reaction that alters immune responses and gut health.
https://newatlas.com/diet-nutrition/sugary-drinks-shapeshift-bacterium/
https://redd.it/1m77d5m
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