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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‘Reimagining matter’: Nobel laureate invents machine that harvests water from dry air
https://www.theguardian.com/environment/2026/feb/21/nobel-laureate-omar-yaghi-invents-machine-that-harvests-water-from-dry-air
https://redd.it/1rar1ff
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Girls rarely experience the “friend zone,” psychology study finds. Tendency for young men to mistake friendliness for sexual interest strengthens gradually throughout their teenage years. When adolescent girls express romantic interest, boys rarely dismiss it as mere friendliness.
https://www.psypost.org/girls-rarely-experience-the-friend-zone-psychology-study-finds/
https://redd.it/1raqlpy
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Extinct for 180 years, the Floreana Giant Tortoise has been reintroduced to its home island after a 20-year breeding program used "Ghost DNA" found in hybrids.
https://www.theguardian.com/world/2026/feb/20/floreana-giant-tortoise-reintroduced-to-galapagos-island-after-almost-200-years
https://redd.it/1rao3yn
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1°C warming reduces world GDP by over 20% in the long run. Business-as-usual warming implies a present welfare loss of more than 30%, and a Social Cost of Carbon in excess of $1,200 per ton. Unilateral decarbonization policy is cost-effective for large countries such as the United States.
https://academic.oup.com/qje/advance-article-abstract/doi/10.1093/qje/qjag011/8490467?redirectedFrom=fulltext
https://redd.it/1r9wyil
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Adolescent cannabis use linked to doubling risk of psychotic and bipolar disorders: study of 463,396 adolescents found that past-year cannabis use during adolescence was associated with a significantly higher risk of incident psychotic (doubled), bipolar (doubled), depressive and anxiety disorders.
https://www.phi.org/press/study-adolescent-cannabis-use-linked-to-doubling-risk-of-psychotic-and-bipolar-disorders/
https://redd.it/1ra667w
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Newly discovered virus linked to colorectal cancer: Scientists discovered a new and previously undescribed virus that infects gut bacteria in patients with colorectal cancer. The virus is found significantly more often in patients with colorectal cancer.
https://www.sdu.dk/en/om-sdu/fakulteterne/sundhedsvidenskab/nyheder-2026/nyopdaget-virus-kobles-til-tarmkraeft
https://redd.it/1r9verh
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Cannabis use associated with better decision-making skills in people with bipolar disorder. These cognitive benefits were primarily associated with moderate use. Moderate use was defined as using cannabis between four and twenty-four times per week.
https://www.psypost.org/cannabis-use-associated-with-better-decision-making-skills-in-people-with-bipolar-disorder/
https://redd.it/1r66ps2
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New study in healthy rats exposed daily for 21 days to ingredient in newly-approved Wegovy pill showed >60% drop in protective gut bacteria and 70% rise in systemic inflammatory marker
https://www.sciencedirect.com/science/article/pii/S0168365926001136?via%3Dihub
https://redd.it/1r5ujqz
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Daily soda consumption linked to cognitive difficulties in teens. Sugary beverages disrupt sleep patterns, which in turn leads to difficulties with memory, concentration, and decision-making.
https://www.psypost.org/daily-soda-consumption-linked-to-cognitive-difficulties-in-teens/
https://redd.it/1r5jhq1
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New research shows children who reported feeling less safe in their neighborhoods tended to have smaller amygdalas, a deep brain structure that helps assess threats and process emotions. They were also more likely to show signs of depression, anxiety, attention-deficit/hyperactivity disorder
https://source.washu.edu/2026/02/how-feelings-of-neighborhood-safety-may-shape-young-minds/
https://redd.it/1r5f25o
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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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Arrest Made in Shooting of Caltech Scientist Killed on Front Porch of His California Home
https://www.yahoo.com/news/articles/arrest-made-shooting-caltech-scientist-203824552.html
https://redd.it/1rasp78
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Drug-Related Deaths Spike After Hurricanes and Tropical Storms. The largest relative increase was observed among individuals aged 15 to 29 years, among whom each additional day of hurricane exposure was associated with a 30 percent rise in death rates in the month of exposure
https://www.publichealth.columbia.edu/news/invisible-harms-drug-related-deaths-spike-after-hurricanes-tropical-storms
https://redd.it/1raoh0d
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People who engage in impulsive violence tend to have lower IQ scores. The findings provide evidence that lower intellectual abilities may make it harder for people to resolve conflicts peacefully.
https://www.psypost.org/people-who-engage-in-impulsive-violence-tend-to-have-lower-iq-scores/
https://redd.it/1raofva
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Negative social relationships are linked to faster biological aging. Each negative social tie was associated with a 1.5 percent faster pace of epigenetic aging in a nationally representative study.
https://www.pnas.org/doi/abs/10.1073/pnas.2515331123
https://redd.it/1rabs0g
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When given the option between marriage and domestic partnership, same-sex couples in the US overwhelmingly choose marriage. Findings indicate that marriage retains a distinct and powerful status due to its legal benefits, social clarity, and perceived level of commitment.
https://www.psypost.org/new-research-highlights-the-enduring-distinctiveness-of-marriage/
https://redd.it/1ra7heb
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Standard mental health tests may be inaccurate for highly intelligent people. Higher intelligence scores were associated with worse mental health. But for participants with high intelligence, the link between the specific questions and the general psychological condition became weaker.
https://www.sciencedirect.com/science/article/abs/pii/S0160289625000662
https://redd.it/1r6j7we
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Intermittent fasting no better than typical weight loss diets, study finds. Researchers say limited eating approaches such as 5:2 diet not a ‘miracle solution’ amid surge in their popularity.
https://www.theguardian.com/science/2026/feb/16/intermittent-fasting-no-better-than-typical-weight-loss-diet-study-finds
https://redd.it/1r66f7g
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This made-in-Canada ‘psychopath test’ doesn’t work and has no place in courts, major study finds
http://thestar.com/news/gta/this-made-in-canada-psychopath-test-doesn-t-work-and-has-no-place-in-courts/article_99c16e8d-c892-4d72-bc3b-273f142519be.html
https://redd.it/1r5ltvc
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A teacher-incentive program has led to striking long-term benefits for students, including lower rates of felony arrest and reduced reliance on government assistance in early adulthood, a new study on data of 41,529 eighth-grade students reports
https://news.ucr.edu/articles/2026/02/13/incentive-program-teachers-yields-long-term-student-gains
https://redd.it/1r5iptl
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Mississauga teen’s incredible invasive species discovery sparks rapid response at Lake Aquitaine
https://thepointer.com/article/2026-02-14/mississauga-teen-s-incredible-invasive-species-discovery-sparks-rapid-response-at-lake-aquitaine
https://redd.it/1r5emvu
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