Blocking nitric oxide, a common brain gas, reverses autism-like traits in mice. Treating human nerve cells with nitric oxide blocker produced a similar result. In addition, samples from autistic children contained much lower levels of the TSC2 brake protein that blocks nitric oxide.
https://www.psypost.org/blocking-a-common-brain-gas-reverses-autism-like-traits-in-mice/
https://redd.it/1ro2972
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Left-handers are more competitive than right-handers. Most people are right-handed, but 10.6% are left-handed. Left-handers are rarer than right-handers, making their attacks in a combat situation more surprising than those of right-handers. This may help explain the evolution of left-handedness.
https://www.psychologytoday.com/au/blog/the-asymmetric-brain/202602/left-handers-are-more-competitive-than-right-handers
https://redd.it/1ri7p1c
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Psychology study shows how a "fixed mindset" helps socially anxious people. Findings indicate that believing other people form stable and unchanging opinions tends to make social interactions feel much less demanding.
https://www.psypost.org/psychology-study-shows-how-a-fixed-mindset-helps-socially-anxious-people/
https://redd.it/1rhuksz
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Analysis of individual-level ad tracking and verified voting records from the 2016 US Election indicates that exposure to targeted digital voter suppression campaigns, particularly those aimed at racial minorities in swing states, is linked to a measurable decline in voter turnout.
https://www.pnas.org/doi/10.1073/pnas.2519944123
https://redd.it/1rhqxr9
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The Biden administration enacted over $198 billion in clean energy projects, the largest investment of its kind. People who lived close to the renewable energy and green manufacturing facilities noticed the investments, but were more likely to credit governors for it than the Biden administration.
https://www.pnas.org/doi/10.1073/pnas.2526802123
https://redd.it/1rhp0hd
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A qualitative study of young adults finds that using cannabis in sexual contexts is primarily motivated by a desire to transform sexuality (enhancing sensations and connection), facilitate sex (easing anxiety), and engage in established sex-cannabis routines.
https://www.tandfonline.com/doi/full/10.1080/00224499.2025.2604775
https://redd.it/1rhb2rk
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A man’s sense of fulfillment at work is deeply tied to how well his views on money align with his romantic partner. When a man and female partner share the same beliefs about whether money represents personal success, the man tends to feel more satisfied that his job meets his psychological needs.
https://www.psypost.org/a-mans-psychological-fit-at-work-tends-to-increase-when-his-financial-values-align-with-his-partners/
https://redd.it/1rh260r
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Study finds dopamine makes people move faster when they want something
https://www.colorado.edu/today/2026/02/27/why-do-we-get-skip-our-step-when-were-happy-thank-dopamine
https://redd.it/1rh6ufh
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New psychology research reveals a vicious cycle involving smartphone use and feelings of disconnection. When college students feel unfocused, they often reach for their phones for relief, which actually tends to leave them feeling even more detached the following day
https://www.psypost.org/new-psychology-research-reveals-a-vicious-cycle-involving-smartphone-use-and-feelings-of-disconnection/
https://redd.it/1rh3cgx
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Dogs act like toddlers when you need help - but cats just watch. Scientists compared 3 groups: pet dogs, cats, and human toddlers in an experiment where a human parent hides and pretends to look for an object. 75% of dogs and children helped. Cats only helped if it was in their personal interest.
https://www.sciencedirect.com/science/article/abs/pii/S0003347226000254
https://redd.it/1rgh7rx
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Toxic exposure creates disease risk over 20 generations: A single exposure to a toxic fungicide during pregnancy can increase the risk of disease for 20 subsequent generations — with inherited health problems worsening many generations after exposure, finds a new study in rats.
https://news.wsu.edu/press-release/2026/02/20/toxic-exposure-creates-disease-risk-over-20-generations/
https://redd.it/1rbjcnb
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Booster vaccines reduced the risk of COVID 19–related hospitalisation and death, according to a new study of over 3 million adults who had the autumn 2022 vaccine in England. This provides further evidence of the effectiveness of booster vaccination against COVID-19.
https://www.bristol.ac.uk/news/2026/february/booster-jabs-reduce-the-risks-of-covid-19-deaths.html
https://redd.it/1rb953a
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Virgin olive oil protects cognitive health through the gut microbiota. Consuming virgin olive oil, as opposed to refined olive oil, improves bacterial diversity and helps preserve brain function in older people.
https://diaridigital.urv.cat/en/virgin-olive-oil-protects-cognitive-health/
https://redd.it/1rb3th4
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Researchers discovered a surprising link between ignored hostility and crime. Study reveals that people who endure negative treatment are more likely to express an intention to commit future crimes, even when they do not consciously recognize their mistreatment.
https://www.psypost.org/researchers-discovered-a-surprising-link-between-ignored-hostility-and-crime/
https://redd.it/1razmrb
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Study found that the weight loss drug, tirzepatide reduces alcohol consumption and prevents relapse behaviors in rodents. These results suggest that medications targeting the body’s metabolic hormones could eventually become an option for treating alcohol use conditions.
https://www.psypost.org/a-popular-weight-loss-drug-shows-promise-for-treating-alcohol-addiction/
https://redd.it/1rawd32
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Unproven Trump autism claim affected care: Trump’s urging of pregnant women to avoid taking Tylenol on unfounded claim that it could be linked to autism in children resulted in a notable drop in orders for the common over-the-counter medication among pregnancy-related emergency department visits.
https://thehill.com/policy/healthcare/5771277-trump-tylenol-autism-study/
https://redd.it/1rofh1p
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Why does pain last longer for women: Immune cells may be the culprit, « Normally pain fades as the body heals. But it may last longer in women than in men, making women more likely to develop chronic pain. »
https://theconversation.com/why-does-pain-last-longer-for-women-immune-cells-may-be-the-culprit-276591
https://redd.it/1ri4rtb
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Young people see fewer win-win situations than older people. Zero-sum beliefs assume that if one person succeeds, others must fail. On average, older adults are also more financially secure than younger ones, which can contribute to this age-related difference.
https://www.psychologytoday.com/au/blog/ulterior-motives/202602/young-people-see-fewer-win-win-situations-than-older-people
https://redd.it/1rhuuq7
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Dark personality traits are linked to the consumption of violent pornography. This pattern suggests a reinforcing cycle where people drawn to aggressive content may further normalize their own antisocial tendencies.
https://www.psypost.org/dark-personality-traits-are-linked-to-the-consumption-of-violent-pornography/
https://redd.it/1rhqodu
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Researchers develop rapidly self-assembling, robust ultrathin ionogel films that form soft “tattoo” interfaces for high-performance skin-mounted bioelectronics | Science Advances
https://www.science.org/doi/10.1126/sciadv.aeb4391#sec-3
https://redd.it/1rhjpjd
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Women report being slightly more sexually satisfied than men, revealing a surprising gender trend. Relationship satisfaction doesn't fully explain why women are more sexually satisfied than men. Women's tendency to report higher satisfaction might be influenced by socialization and disclosure norms.
https://www.psychologytoday.com/us/blog/attraction-evolved/202602/are-women-less-sexually-satisfied-than-men
https://redd.it/1rgvg23
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Carbon dioxide overload, detected in human blood, suggests a potentially toxic atmosphere within 50 years. After this time, elevated atmospheric carbon dioxide, leading to CO2 accumulation in the body, has the potential to cause a range of adverse health effects.
https://link.springer.com/article/10.1007/s11869-026-01918-5
https://redd.it/1rhcpfi
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Dentistry's "laughing gas" has a climate impact 273x greater than CO2, with a single sedation session equaling a 73-mile car journey. A new UCL study finds massive wastage in UK clinics and calls for lower flow rates to reduce emissions without compromising patient care.
https://www.nature.com/articles/s41415-025-9201-6
https://redd.it/1rh94j5
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Egg Consumption and Human Health: A Comprehensive Review of the Effects on Serum Lipids, Antioxidant Status, and Cardiovascular Outcomes
https://www.jstage.jst.go.jp/article/jpsa/63/0/63_2026001/_article
https://redd.it/1rh49tn
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Individuals with a strong desire for novelty and intellectual exploration tend to have fewer children over their lifetimes. These individuals often delay parenthood, experience shorter romantic relationships (but not more sexual partners), and report fewer positive motivations for starting a family.
https://www.psypost.org/people-with-high-openness-to-experience-tend-to-have-fewer-children/
https://redd.it/1rgwzab
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Autism related hyperexcitability was transferred to healthy neurons by extracellular vesicles from mutant cells in a SHANK3 model, whereas stem cell derived vesicles rescued hyperexcitability, normalized maturation, and improved behavior in mice.
https://www.nature.com/articles/s41419-026-08474-x
https://redd.it/1rbbs45
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Longitudinal study finds link between cannabis use in teens and psychosis later | Adolescent Cannabis Use and Risk of Psychotic, Bipolar, Depressive, and Anxiety Disorders
https://www.npr.org/2026/02/21/nx-s1-5719338/cannabis-marijuana-weed-teens-psychosis-jama
https://redd.it/1rb4oli
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Scientists have linked a sharp rise in the ground in southern Poland to a buried crack in the Earth that once tore open.
https://www.earth.com/news/seismic-scars-brzegi-poland-reveal-a-previously-unknown-and-dangerous-fault-line/?utm_source=dlvr.it&utm_medium=facebook
https://redd.it/1rb041l
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Scientists find a mechanism for how exercise protects the brain: exercise-induced liver protein strengthens the blood-brain barrier, improving memory and slowing age-related decline
https://www.ucsf.edu/news/2026/02/431526/scientists-find-mechanism-how-exercise-protects-brain
https://redd.it/1ravgno
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Red Blood Cells Soak Up Sugar at High Altitude, Protecting Against Diabetes | "When we gave sugar to the mice in hypoxia, it disappeared from their bloodstream almost instantly"
https://gladstone.org/news/red-blood-cells-soak-sugar-high-altitude-protecting-against-diabetes
https://redd.it/1rausp6
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