Naturally occurring molecule identified appears similar to semaglutide (Ozempic) in suppressing appetite and reducing body weight. Notably, testing in mice and pigs also showed it worked without some of the drug’s side effects such as nausea, constipation and significant loss of muscle mass.
https://med.stanford.edu/news/all-news/2025/03/ozempic-rival.html
https://redd.it/1j53870
@r_science
Plastic Triggered a New Geological Epoch—and the Evidence May Be in Bird Nests. Researcher's stumbled upon a bird nest that appeared to go back 30 years in time – filled with historical plastics. One particular piece is a Mars packaging with an announcement of the 1994 FIFA World Cup in the USA
https://esa.org/blog/2025/02/27/birds-nests-reveal-history-of-the-plastic-age/
https://redd.it/1j4y0gi
@r_science
Economic sectors that drive nature decline are heavily subsidized, between 1.7 and 3.2 Trillion US dollars every year, and produce large environmental externalities, between 10.5 and 22.6 Trillion US dollars.
https://link.springer.com/article/10.1007/s13280-025-02147-3
https://redd.it/1j4vukp
@r_science
Recent study reveals that repeated exposure to emotional events leads to the formation of exceptionally stable memory patterns in the brain | This process, initiated by the amygdala during the first encounter with the event, explains why emotional memories can be so powerful and long-lasting.
https://www.psypost.org/brain-scans-reveal-how-repeated-exposure-to-emotional-events-shapes-memory/
https://redd.it/1j4t0a2
@r_science
People who undergo surgery just before the weekend have a significantly increased risk of death and complications, finds a new study. This is commonly called the "weekend effect,” when hospitals and health care systems tend to operate with skeleton crews during the weekend.
https://www.upi.com/Health_News/2025/03/05/surgery-fridays-death-complications-risk-study/8951741204244/
https://redd.it/1j4tdnn
@r_science
Scientists discover new part of the immune system. The proteasome - a cell structure that recycles proteins - has a secret mode that can spew out an arsenal of bacteria-killing chemicals. Identifying these proteasome-derived defence peptides could provide an untapped source of natural antibiotics.
https://www.bbc.co.uk/news/articles/cpv4jww3r4eo
https://redd.it/1j4rj5u
@r_science
People who use anti-inflammatory drugs over a long period of time may be at a lower risk of dementia regardless of the dosage. The findings suggest that prolonged, rather than intensive, use of anti-inflammatory medications may help protect against dementia.
https://www.scimex.org/newsfeed/long-term-use-of-anti-inflammatory-drugs-linked-to-reduced-dementia-risk
https://redd.it/1j4mwd5
@r_science
A new study from the University of Michigan reveals that people strongly believe women are more generous, cooperative and equality-driven than men. These widespread beliefs shape workplace dynamics, hiring decisions and leadership opportunities, often holding women back from key positions of power.
https://news.umich.edu/the-hidden-costs-of-believing-women-are-more-socially-oriented/
https://redd.it/1j4c4bj
@r_science
Treating male partners along with women may help stop bacterial vaginosis
https://www.sciencenews.org/article/bacterial-vaginosis-treatment-women-men
https://redd.it/1j4fcp3
@r_science
A study of 6,000 smokers in the United States found that e-cigarette use does not enhance smoking cessation and is actually linked to reduced tobacco abstinence
https://today.ucsd.edu/story/study-vaping-does-not-help-u.s-tobacco-smokers-quit
https://redd.it/1j4bu0v
@r_science
Human ancestors made the oldest known bone tools 1.5 million years ago
https://www.sciencenews.org/article/human-ancestors-oldest-bone-tools
https://redd.it/1j47qfl
@r_science
People who have a minority viewpoint on a controversial topic are more likely to “self-silence” themselves in conversation – and that may lead them to behave against their own beliefs, a new study found.
https://news.osu.edu/how-self-silencing-your-opinion-may-change-behavior/?utm_campaign=omc_science-medicine_fy24&utm_source=reddit&utm_medium=social
https://redd.it/1j42zmz
@r_science
Incels significantly overestimate how much society blames them for their problems and underestimate the level of sympathy from others, according to recent study
https://www.psypost.org/incels-misperceive-societal-views-overestimating-blame-and-underestimating-sympathy/
https://redd.it/1j42jsk
@r_science
Research found that our perceptions of body image are shaped by what we see from as early as seven years old. These body ideals continue to be influenced by visual exposure to different body weights into adulthood
https://www.manchester.ac.uk/about/news/body-image-perceptions-take-shape-from-early-childhood-psychologists-reveal/
https://redd.it/1j3z9h2
@r_science
Exposing young children to small amounts of the foods they’re allergic to, known as oral immunotherapy, could be safer than avoiding the foods altogether, according to a review by international researchers who say avoiding the foods could be very dangerous if accidental exposure occurs.
https://www.scimex.org/newsfeed/review-supports-exposing-small-amounts-of-allergens-to-kids-in-early-childhood
https://redd.it/1j3ykkj
@r_science
Scientists have discovered the world’s oldest known meteorite impact crater in Western Australia | It has been dated to about 3.5 billion years ago, at a time when these almost literally Earth-shattering events should have been occurring regularly.
https://newatlas.com/science/worlds-oldest-impact-crater-australia/
https://redd.it/1j506jr
@r_science
Just a few days of eating a diet high in saturated fat could be enough to cause memory problems and related brain inflammation in older adults, a new study in rats suggests. The results dispel the idea that diet-related inflammation in the aging brain is driven by obesity, researchers say.
https://news.osu.edu/memory-is-impaired-in-aged-rats-after-3-days-of-high-fat-eating/?utm_campaign=omc_science-medicine_fy25&utm_source=reddit&utm_medium=social
https://redd.it/1j4yzuq
@r_science
Industry-Backed Legislation Would Bar the Use of Science Behind Hundreds of Environmental Protections
https://www.propublica.org/article/legislation-targets-epa-science-toxic-chemicals
https://redd.it/1j4uxux
@r_science
Alzheimer's could be treated by enhancing the brain's own immune cells | Researchers leveraging a technique called spatial transcriptomics, the method of examining tissue helped pinpoint the specific spatial location of gene activity inside a sample.
https://newatlas.com/brain/alzheimers-dementia/alzheimers-treated-enhancing-brain-immune-cells/
https://redd.it/1j4tiom
@r_science
Maternal cannabis use triples risk of disruptive behaviour in children | Children exposed to their mother’s cannabis use during pregnancy and after birth are three times more likely to develop behavioural problems, research finds
https://linkinghub.elsevier.com/retrieve/pii/S0165178125000538
https://redd.it/1j4o2gf
@r_science
Novel therapy takes stem cells from a patient’s own healthy eye and transplants them into the damaged eye to safely repair 'irreversible' blinding cornea injuries - 14 patients treated had a more than 90% success rate at restoring the cornea's surface and improvements in vision.
https://www.massgeneralbrigham.org/en/about/newsroom/press-releases/calec-stem-cell-therapy-clinical-trial-repairs-corneal-damage
https://redd.it/1j4pw5s
@r_science
Study: Mass General successfully restores corneas with patients’ own stem cells | Regen Report
https://theregenreport.com/2025/03/05/study-mass-general-successfully-restores-corneas-with-patients-own-stem-cells/
https://redd.it/1j4iree
@r_science
2% of the world’s amphibians are at risk of overheating, and climate change could push 7.5% of amphibian species beyond their physiological heat tolerance
https://www.unsw.edu.au/newsroom/news/2025/03/the-pot-is-already-boiling-for-2-per-cent-of-the-worlds-amphibians-new-study?utm_source=reddit&utm_medium=social
https://redd.it/1j4gio4
@r_science
Aspirin prevents metastasis by limiting platelet TXA2 suppression of T cell immunity
https://www.nature.com/articles/s41586-025-08626-7
https://redd.it/1j487le
@r_science
Women in relationships with men diagnosed with ADHD experience higher levels of depression and a lower quality of life. Furthermore, those whose partners consistently took ADHD medication reported a higher quality of life than those whose partners were inconsistent with treatment.
https://www.psypost.org/women-with-adhd-diagnosed-partners-report-lower-quality-of-life-and-higher-depression/
https://redd.it/1j4ay47
@r_science
AI-powered influencers have the potential to damage brand reputation more than their human equivalents, new research finds.
https://news.northeastern.edu/2025/02/25/ai-influencer-marketing-brand-trust/
https://redd.it/1j45i8g
@r_science
Pigs, rabbits get 3D-printed penis to restore erectile function in a ‘world-first’ | The penile implants enabled the rabbits and pigs to mate and reproduce biologically within weeks after the surgery.
https://www.nature.com/articles/s41551-025-01367-y
https://redd.it/1j41j6w
@r_science
People can feel lonely even within a marriage as it’s not just about being physically alone, but a subjective feeling of isolation, even when surrounded by others. Even when spouses were grateful and forgiving, loneliness still seemed to negatively affect their sexual relationship.
https://www.psypost.org/gratitude-and-forgiveness-appear-to-soften-loneliness-blow-to-marriage-satisfaction/
https://redd.it/1j41c4w
@r_science
Chimps and bonobos relieve social tension by rubbing their genitals
https://www.newscientist.com/article/2470794-chimps-and-bonobos-relieve-social-tension-by-rubbing-their-genitals/
https://redd.it/1j3y4v1
@r_science
A new study tested whether wind turbine noise affects brain waves, attention, and reasoning. They found no negative impact - comparable to road traffic noise.
https://www.nature.com/articles/s41599-025-04645-x
https://redd.it/1j3wbn0
@r_science
