Addiction propensity may show up in children's brain scans.
https://www.scientificamerican.com/article/addiction-risk-shows-up-in-childrens-brain-scans-before-drug-use-starts/
https://redd.it/1lv1hhj
@r_science
Accelerating increase in the duration of heatwaves under global warming
https://www.nature.com/articles/s41561-025-01737-w
https://redd.it/1lum88w
@r_science
One fifth of the US prison population are former foster children, raising questions of a causal relationship. Quasi-randomization (similar children that were either placed or not placed in foster care) indicates that being placed in foster care actually reduces future incarceration.
https://doi.org/10.1162/rest.a.262
https://redd.it/1luulpp
@r_science
Almost 1 in 10 workers in their 30s uses alcohol, marijuana or other drugs while on the job in the United States, a new study finds. The risk for substance use among young employees was highest in the food preparation/service industry and in safety-sensitive occupations including construction.
https://news.osu.edu/9-of-young-us-employees-use-alcohol-drugs-at-work-study-finds/?utm_campaign=omc_science-medicine_fy26&utm_source=reddit&utm_medium=social
https://redd.it/1lur4hd
@r_science
Matching your workouts to your personality could make exercise more enjoyable and give better results. Extroverts prefer high-intensity training sessions with others, such as team sports, while people with neuroticism prefer private workouts without people watching them, punctuated by short breaks.
https://edition.cnn.com/2025/07/08/health/personality-type-enjoy-exercise-intl-scli-wellness
https://redd.it/1lun3gt
@r_science
Scientists demonstrate how a weak handgrip can accurately correlate with numerous diseases and poor performance of daily chores among older adults. Diseases include ailments like depression, high blood pressure, diabetes mellitus, Alzheimer’s disease, and osteoarthritis.
https://www.scimex.org/newsfeed/study-reveals-accurate-association-between-weak-handgrip-and-a-host-of-diseases-among-over-50s
https://redd.it/1lulyql
@r_science
Risk of death in pet dogs increases by nearly 10% on extreme heat days (32°C/90°F), with an increased risk of 1% for every degree over 25°C
https://www.unsw.edu.au/newsroom/news/2025/07/extreme-heat-linked-to-increased-pet-dog-deaths?utm_source=reddit&utm_medium=social
https://redd.it/1lufpw3
@r_science
Study has revealed that Mondays uniquely drive long-term biological stress, regardless of working status, with implications for heart health
https://www.hku.hk/press/press-releases/detail/28420.html
https://redd.it/1lu3k8l
@r_science
The health of U.S. children has deteriorated over the past 17 years, with kids today more likely to have obesity, chronic diseases and mental health problems like depression, a new study says.
https://www.pbs.org/newshour/health/study-finds-children-in-u-s-became-increasingly-unhealthy-over-past-17-years
https://redd.it/1lu2efe
@r_science
In a new study out of Germany, scientists discovered that peptides found in the mucus of axolotls—a wild-looking salamander famous for regenerating limbs—can selectively kill breast cancer cells and destroy antibiotic-resistant bacteria like MRSA (methicillin-resistant Staphylococcus aureus).
https://www.popsci.com/environment/axolotl-mucus-cancer-antibiotics/
https://redd.it/1lu0xgn
@r_science
New research reveals emotional control deficits in generalized anxiety disorder | These findings suggest that people with generalized anxiety disorder may have poorer emotion recognition abilities.
https://www.psypost.org/new-research-reveals-emotional-control-deficits-in-generalized-anxiety-disorder/
https://redd.it/1ltv9qm
@r_science
Cough syrup protects the brain from dementia in clinical trial first | A safe and affordable treatment to slow the advancement of Parkinson's dementia in the form of a commonly available cough syrup (Ambroxol) that's already being studied for its positive effect on other degenerative diseases.
https://newatlas.com/brain/alzheimers-dementia/cough-syrup-dementia/
https://redd.it/1ltvdji
@r_science
Climatic drivers of the 2022 mega-flood in Pakistan which caused 1486 fatalities. August 2022’s streamflow at Sukur Barrage, just upstream of the floodplains, was 170% larger than the historical average, due to the compounding effects of rain-on-snow and warmer temperatures accelerating snowmelt.
https://www.nature.com/articles/s44304-025-00109-z
https://redd.it/1ltt4vd
@r_science
People who have a more favorable view of artificial intelligence tend to spend more time on social media and may be more likely to show signs of problematic use, according to new research. This relationship held for both men and women, but it was stronger among men.
https://www.psypost.org/positive-attitudes-toward-ai-linked-to-more-prone-to-problematic-social-media-use/
https://redd.it/1ltr655
@r_science
Bonobo’s react negatively to inequality. The study was conducted at the Wolfgang Köhler Primate Research Centre at the Leipzig Zoo with six bonobos.
https://www.mpg.de/24532579/0414-evan-bonobos-react-negatively-to-inequity-150495-xonobos
https://redd.it/1ltlpe9
@r_science
Pulsating microneedles painless alternative to traditional needles
https://news.griffith.edu.au/2025/07/08/pulsating-microneedles-painless-alternative-to-traditional-needles/
https://redd.it/1luy4gz
@r_science
MIT chemists boost the efficiency of a key enzyme in photosynthesis: « The enzyme, known as rubisco, helps plants and photosynthetic bacteria incorporate carbon dioxide into sugars. »
https://news.mit.edu/2025/mit-chemists-boost-efficiency-key-enzyme-photosynthesis-0707
https://redd.it/1luupld
@r_science
Forests' vanishing snow is also bad news for carbon storage
https://www.newscientist.com/article/2487069-forests-vanishing-snow-is-also-bad-news-for-carbon-storage/
https://redd.it/1luqse7
@r_science
Replacing a traditional carbohydrate-based bedtime snack with pistachios may reshape the gut microbiome in prediabetic adults. “Good” bacteria that produce beneficial short-chain fatty acids like butyrate were more abundant after pistachios. Butyrate supports anti-inflammatory processes in the gut.
https://www.psu.edu/news/health-and-human-development/story/nighttime-pistachio-snacking-may-reshape-gut-microbiome
https://redd.it/1luphy9
@r_science
A new brain imaging study suggests that people who report symptoms of addiction to short-form video platforms—such as TikTok or Instagram Reels—may be less sensitive to financial losses and make faster, more impulsive decisions.
https://www.psypost.org/people-with-short-video-addiction-show-altered-brain-responses-during-decision-making/
https://redd.it/1lumqiy
@r_science
Beyond the alpha male: Primate studies challenge male-dominance norms. In most species, neither sex clearly dominates over the other. Males have power when they can physically outcompete females, while females rely on different pathways to achieve power over males.
https://www.mpg.de/24986976/0630-evan-beyond-the-alpha-male-150495-x
https://redd.it/1lujwf9
@r_science
Probiotics show promise for reducing hyperactivity in young children with autism and ADHD, finds new randomized, placebo-controlled trial. The probiotic contained two strains of bacteria, Lactiplantibacillus and Levilactobacillus, which are known to promote the synthesis of dopamine and GABA.
https://www.psypost.org/probiotics-show-promise-for-reducing-hyperactivity-in-young-children-with-autism-and-adhd/#google_vignette
https://redd.it/1lucklu
@r_science
Women with ADHD face higher risk of severe premenstrual mood disorder, study finds. For years, ADHD in women has been underdiagnosed and misunderstood. Now, new research suggests those with the condition are also at significantly higher risk for a debilitating menstrual mood disorder: PMDD.
https://cosmosmagazine.com/health/women-with-adhd-face-higher-risk-of-severe-premenstrual-mood-disorder-study-finds/
https://redd.it/1lu6rzc
@r_science
People who view their nation as uniquely important and demand special recognition for it (also known as national narcissism) may struggle to recognize emotions in others, experience more anger and contempt, and be more likely to dehumanize those both inside and outside their national group.
https://www.psypost.org/national-narcissism-linked-to-emotional-impairments-and-dehumanization-new-study-finds/
https://redd.it/1lu3v9d
@r_science
A new study reveals that individuals living with Polycystic Ovary Syndrome (PCOS) often feel dismissed, misunderstood and underserved by the healthcare system.
https://news.cuanschutz.edu/news-stories/polycystic-ovary-syndrome-patients-say-they-feel-dismissed-and-misunderstood-according-to-new-study?utm_campaign=PCOS&utm_source=reddit&utm_medium=social
https://redd.it/1ltxd6z
@r_science
People who skipped breakfast tended to be slightly more impulsive, particularly in terms of attentional control and self-control. They also reported slightly more severe depressive symptoms and marginally higher anxiety symptoms, finds study of young people from Hong Kong.
https://www.psypost.org/breakfast-habits-are-associated-with-depressive-symptoms-study-finds/
https://redd.it/1ltwi05
@r_science
Since 2015, Antarctica’s ocean has lost sea ice equal to Greenland’s size — but the real shock is the ocean is becoming saltier, not fresher, defying decades of scientific assumptions and raising urgent questions about the planet’s future climate stability.
https://www.earth.com/news/antarcticas-waters-are-getting-saltier-and-it-could-transform-earths-climate/
https://redd.it/1ltuith
@r_science
People with higher cognitive ability tend to endorse moral values less strongly across the board. The pattern held across two independent studies and did not differ by gender. These findings challenge popular assumptions that smarter people hold stronger or more “enlightened” moral values.
https://www.psypost.org/people-with-higher-cognitive-ability-have-weaker-moral-foundations-new-study-finds/
https://redd.it/1ltsczb
@r_science
Weedkiller ingredient widely used in US can damage organs and gut bacteria. Diquat is banned in the UK, EU, China and other countries. The US has resisted calls to regulate it. Diquat is a neurotoxin, carcinogen and linked to Parkinson’s disease. It is about 200 times more toxic than glyphosate.
https://www.theguardian.com/environment/2025/jul/06/weedkiller-diquat-organ-damage-study
https://redd.it/1ltq994
@r_science
New satellite maps show meltwater ponding is growing across East Antarctica, even without more snowmelt. This makes the ice surface more fragile, increasing the risk of future ice shelf collapse.
https://www.nature.com/articles/s41558-025-02363-5
https://redd.it/1ltl0au
@r_science
