In the 1950s, Norwegian dairy firms began widely adopting milking machines to replace hand-milking, a task typically performed by young women. Rural young women subsequently moved to cities where they acquired more education and found better-paying, skilled employment.
https://www.aeaweb.org/articles?id=10.1257/aer.20240167
https://redd.it/1q0i11i
@r_science
A Breakthrough on Modeling Cancer Prevention and Elimination by Low Radiation Doses
https://journals.sagepub.com/doi/10.1177/15593258251359335
https://redd.it/1q0fgdt
@r_science
Flu is rising rapidly, driven by a new variant. Here's what to know
https://apnews.com/article/flu-subclade-k-cdc-vaccine-ca9bd270ca70602775168b0b651e3b2a
https://redd.it/1q08g0q
@r_science
Tumor-produced ammonia is metabolized by regulatory T cells to further impede anti-tumor immunity (Gu et al, 2025)
https://www.cell.com/cell/fulltext/S0092-8674(25)01369-8?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0092867425013698%3Fshowall%3Dtrue
https://redd.it/1pzxdkb
@r_science
Review highlights why Candida auris is becoming increasingly difficult to control, raising concerns for current infection prevention strategies
https://journals.asm.org/doi/10.1128/mmbr.00187-22
https://redd.it/1pzv5gh
@r_science
Mass shootings are associated with increased local voter turnout but do not change presidential vote choices, showing that exposure to gun violence mobilizes voters locally without producing broader shifts in national electoral outcomes.
https://www.science.org/doi/10.1126/sciadv.adx5418
https://redd.it/1pzrpxu
@r_science
Doubting your doubts may increase commitment to goals: when people who were worried about achieving an identity goal were induced to experience a meta-cognitive doubt, they became more committed to achieving their goal
https://news.osu.edu/how-doubting-your-doubts-may-increase-commitment-to-goals/
https://redd.it/1pznbkl
@r_science
Oral bacterium tied to disability severity in multiple sclerosis (MS). Findings connect Fusobacterium nucleatum with MS disease severity. Increasing evidence suggests that the severe gum disease, periodontitis, may contribute to central nervous system disorders through chronic inflammation.
https://www.hiroshima-u.ac.jp/en/news/94860
https://redd.it/1pzh493
@r_science
Researchers identify a previously unknown mechanism by which melanoma cancer cells paralyze immune cells through extracellular vesicle secretion, revealing a key strategy of immune evasion and offering new insights into potential immunotherapeutic targets for the deadliest form of skin cancer.
https://www.cell.com/cell/fulltext/S0092-8674(25)01316-9?_returnURL=https%3A%2F%2Flinkinghub.elsevier.com%2Fretrieve%2Fpii%2FS0092867425013169%3Fshowall%3Dtrue
https://redd.it/1pz1qpa
@r_science
A low-fat vegan diet produced greater weight loss than a Mediterranean diet in a randomized crossover trial, driven mainly by eliminating animal foods and reducing oils and nuts, with weight loss linked to higher intake of plant foods, including refined grains and potatoes.
https://www.frontiersin.org/journals/nutrition/articles/10.3389/fnut.2025.1666807/full
https://redd.it/1pz3cqr
@r_science
Moral values in many countries, including US, may over time shift in a more socially progressive direction, due to an asymmetry. Arguments that move liberals in a more liberal direction may also sway conservatives, but arguments that move conservatives to be more conservative do not sway liberals.
https://www.eurekalert.org/news-releases/1111149
https://redd.it/1pz01wc
@r_science
The Russian invasion of Ukraine altered the pornography consumption habits of Ukrainians. The number of weekly civilian deaths was positively associated with the relative search volume for pornography. As the violence intensified , the frequency of searches for sexual content also increased
https://www.psypost.org/big-data-analysis-links-war-intensity-to-changes-in-online-sexual-behavior/
https://redd.it/1pyv85t
@r_science
Researchers have found that middle-aged and older adults with weaker muscles faced a much higher likelihood of developing dementia compared to their stronger peers
https://www.psypost.org/weak-muscles-linked-to-higher-dementia-risk-in-middle-aged-and-older-adults/
https://redd.it/1pys216
@r_science
COVID vaccination of children reduced COVID cases in the vaccinated children by 80%. This protection also spilled over to close contacts, producing a household-level indirect effect about three-fourths as large as the direct effect.
https://www.aeaweb.org/articles?id=10.1257/app.20230717
https://redd.it/1pynmcj
@r_science
A 3 year study found people with sleep apnoea are at a higher risk of mental health problems. Sleep apnoea was linked to about a 40% higher chance of having a mental health problem at the beginning of the study, and a 44% higher chance of mental health problems at the end of the study.
https://jamanetwork.com/journals/jamanetworkopen/fullarticle/2843180?guestAccessKey=1b34668e-afe8-4888-aa3d-dd05b3b83eff&utm_source=for_the_media&utm_medium=referral&utm_campaign=ftm_links&utm_content=tfl&utm_term=122625
https://redd.it/1pykobo
@r_science
Children exposed to high levels of screen time before age two showed changes in brain development that were linked to slower decision-making and increased anxiety by their teenage years
https://www.sgpc.gov.sg/detail?url=/media_releases/astar/press_release/P-20251230-2
https://redd.it/1q0hvig
@r_science
Updated Comprehensive Review finds that methylphenidate may reduce ADHD symptoms (inattention, hyperactivity) in children/adolescents, but evidence certainty is low. Non-serious side effects (sleep loss, appetite suppression) are common and long-term effects remain unclear.
https://www.cochranelibrary.com/cdsr/doi/10.1002/14651858.CD009885.pub4/full
https://redd.it/1q076t0
@r_science
CTE Is Caused by More Than Head Trauma, New Study Suggests
https://hms.harvard.edu/news/cte-caused-by-more-than-head-trauma
https://redd.it/1q02mdc
@r_science
Real estate investment trust (REIT)-acquired US hospitals were associated with a greater risk of bankruptcy or closure than non-REIT-acquired hospitals. Concern has grown that for-profit hospital owners are using REITs as a strategy to strip assets from hospitals to generate returns to investors.
https://hsph.harvard.edu/news/hospitals-acquired-by-real-estate-investment-trusts-associated-with-greater-risk-of-bankruptcy-closure/
https://redd.it/1pzygvo
@r_science
Injectable antibodies in nanoparticles could replace hour-long infusions: A much faster, simpler treatment without an IV bag and an hour of getting needled. Just a single 2-ml shot of a solution containing solid nanoparticles packed with highly concentrated antibodies.
https://newatlas.com/medical-tech/injectable-antibodies-nanoparticles/
https://redd.it/1pzvxje
@r_science
Biological roots of PTSD differ strikingly between men and women | Researchers found that men with the disorder primarily exhibit deficits in specific stress-regulating lipids, whereas women exhibit heightened signs of systemic inflammation.
https://www.psypost.org/biological-roots-of-ptsd-differ-strikingly-between-men-and-women/
https://redd.it/1pznn5s
@r_science
Analysis of income, capital gains, and borrowing of Americans finds 40% of the income of "1% wealth holders" is unrealized capital gains not subject to taxation and 1%-2% is borrowing, suggesting that the "Buy, Borrow, Die" is not a dominant tax avoidance strategy among the rich
https://www.sciencedirect.com/science/article/abs/pii/S0047272725002178
https://redd.it/1pzkhn8
@r_science
When users swipe through profiles on dating apps, their brains make split-second decisions based on 2 cognitive processes: one assesses facial beauty and another interprets “vibe” or social context of photo. A beautiful face is an asset, but combined with displays of wealth or status can backfire.
https://www.sciencedirect.com/science/article/abs/pii/S0747563225002390
https://redd.it/1pzffeg
@r_science
A drug once designed for dengue virus, then quietly abandoned by industry, is suddenly back in the spotlight. Study suggests that this antiviral didn’t just slow the dengue virus, it blocked viral replication and significantly reduced infection rates at high doses.
https://www.nejm.org/doi/full/10.1056/NEJMoa2500179
https://redd.it/1pz4ls3
@r_science
AI-designed protein shows up to 53% stronger anti-inflammatory effects in animal studies, outperforming existing treatments by restoring brain signaling and highlighting how artificial intelligence and supercomputing could accelerate the development of next-generation anti-inflammatory therapies.
https://www.thno.org/v16p2561.htm
https://redd.it/1pyx6i3
@r_science
New study reveals candida auris can sense CO₂ on human skin and activate antifungal resistance before infection, meaning it can “prepare” itself to survive treatment, study reports
https://www.nature.com/articles/s41598-025-29061-8
https://redd.it/1pyyp4w
@r_science
Young adults experience high loneliness despite having large friend networks
https://www.psypost.org/young-adults-experience-high-loneliness-despite-having-large-friend-networks/
https://redd.it/1pyscgd
@r_science
Construction of the Autobahn network in Nazi Germany boosted popular support for Adolf Hitler, helping to entrench the Nazi dictatorship. This was not due to concrete economic benefits, but due to its central role in a massive propaganda campaign highlighting recovery and the end of austerity.
https://www.aeaweb.org/articles?id=10.1257/app.20180816
https://redd.it/1pynp22
@r_science
A study of more than 30,000 adults in the U.S. looking at individuals over 20 years found that the rate of cognitive decline associated with aging fell by 15%-20% for people who formally volunteer their services or who help in more informal ways with family or outside the home on a regular basis
https://cns.utexas.edu/news/research/helping-others-shown-slow-cognitive-decline
https://redd.it/1pynras
@r_science
Mismatched desires for physical contact can negatively affect romantic partners. Romantic partners experience greater relationship well-being when they share high levels of comfort with physical affection. When partners differ in their preferences, it can create friction.
https://www.psypost.org/psychologists-explore-how-mismatched-desires-for-physical-contact-affect-romantic-partners/
https://redd.it/1pyk3lc
@r_science
