r/science • u/mvea • 1h ago

Health Nearly half of people who started GLP-1 drugs like Ozempic or Wegovy say they now drink less alcohol, and among heavier drinkers it was over half (54%), according to a new national US survey of 2,000+ adults published in JAMA Psychiatry. The drugs may act on the brain's craving and reward pathways.

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• Upvotes
169 comments

r/science • u/Wagamaga • 3h ago

Psychology AI assistants can easily manipulate users into making disadvantageous decisions when the AI operates with a hidden agenda. Users fail to notice the manipulation, continuing to rate the covertly misaligned AI as highly helpful and trustworthy.

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832 Upvotes
43 comments

r/science • u/mvea • 3h ago

Cancer A common stomach bug (H pylori) that causes stomach ulcers may be linked to about 1 in 5 colon cancer cases worldwide, says a review of 43 studies covering 48.7 million people. Those infected had a 59% higher risk, and people treated for it seemed to have lower colon cancer risk 10+ years later.

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1.3k Upvotes
55 comments

r/science • u/johnhemingwayscience • 6h ago

Health Gut bacteria transform unabsorbed coffee compounds into beneficial molecules that help protect against Type 2 diabetes and liver disease,

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253 Upvotes
4 comments

r/science • u/johnhemingwayscience • 6h ago

Anthropology Researchers have digitally reconstructed the face of the oldest known Homo sapiens from a 315,000-year-old skull, revealing a 1,364 mL brain volume that is remarkably similar to modern humans today

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334 Upvotes
23 comments

r/science • u/Macchanoco • 7h ago

Animal Science Cats and humans show correlated affiliative physiological states

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858 Upvotes
34 comments

r/science • u/sfgate • 19h ago

Biology Stanford study finds severely bleached corals can make a full recovery in seven weeks with help from healthy clones

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5.3k Upvotes
29 comments

r/science • u/Dorian182 • 23h ago

Animal Science Dogs seem to associate ‘bouba’ with round shapes and ‘kiki’ with spiky shapes, study of 70 dogs finds

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12.5k Upvotes
609 comments

r/science • u/mvea • 18h ago

Environment We’re surprisingly close to conserving 30% of the world’s land. Almost every country has agreed to conserve 30% of the land and sea by 2030. Study shows 27% of land may already be conserved for biodiversity, if you also count areas that aren’t globally recognised. But more work needs to be done.

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2.5k Upvotes
96 comments

r/science • u/mvea • 1d ago

Psychology New Study Finds Gendered Messaging Can Backfire: Messages that reference gender when highlighting women's success in an activity actually made kids and adults of both genders see girls and women as less capable, and also made everyone less interested in trying the activity themselves.

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6.3k Upvotes
691 comments

r/science • u/CoffeeTeaJournal • 19h ago

Chemistry Plastic tea bags released 555–2,498 microplastic particles per cup versus 0.3–2.4 in loose tea in a 28-brand brewing study

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1.6k Upvotes
98 comments

r/science • u/Miserable_Phase_2519 • 1d ago

Health A 2026 study reveals that human ovaries remain biologically active after menopause, shifting their protein production with age to actively influence other organs and create an inflammatory environment linked to increased ovarian cancer risk.

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9.6k Upvotes
646 comments

r/science • u/smurfyjenkins • 17h ago

Psychology Pensions save lives – Researchers analyzed the introduction of public pensions in the UK in 1909, finding that they substantially reduced elderly mortality.

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750 Upvotes
43 comments

r/science • u/Schwettes • 9h ago

Health GLP1 treatment linked to lower risk of hospitalization and death in older adults with fatty liver disease. Patients taking GLP1 had a 28% lower risk of hepatic decompensation and a 45% lower risk of death from any cause.

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143 Upvotes
4 comments

r/science • u/Miserable_Phase_2519 • 4h ago

Physics Researchers have modeled an energy-efficient shortcut to nuclear fusion ignition by demonstrating that heating plasma before increasing its density bypasses traditional energy barriers.

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53 Upvotes
7 comments

r/science • u/Wagamaga • 3h ago

Biology Survey of 102 cities reveals more than 40,000 new viruses. A study involving Brazilian researchers analyzed samples from subway stations, hospitals, bank branches, soil, and sewage in 31 countries

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47 Upvotes
3 comments

r/science • u/CUAnschutzMed • 17h ago

Health Largest clinical trial of its kind, published in the New England Journal of Medicine, finds continuous glucose monitors help adults with type 2 diabetes who don't use insulin spend approximately 5 more hours a day in their target blood sugar range

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295 Upvotes
22 comments

r/science • u/sr_local • 21h ago

Health 14-year study of 3,093 adults using Fitbit data, finds that those averaging 8,875–14,161 daily steps performed better on tests of attention, cognitive control and decision-making than those averaging 5,108 steps. Higher systolic blood pressure was also linked to poorer cognitive performance

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580 Upvotes
9 comments

r/science • u/Slow_cpu • 3h ago

Genetics Reversing age by reprogramming gene expression networks. Aging-specific screening platform identifies gene with multifaceted rejuvenation potential that extends health- and lifespan in mice.

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19 Upvotes
1 comment

r/science • u/Dorian182 • 16h ago

Genetics 3D structure of DNA may explain how cephalopods evolved complex brains

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181 Upvotes
3 comments

r/science • u/Dorian182 • 4h ago

Medicine Reprogrammed NK immune cells target cancer and autoimmune disorders

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20 Upvotes
3 comments

r/science • u/UniOfManchester • 4h ago

Astronomy UK astronomers help reveal host galaxy of most distant fast radio burst. The findings suggest fast radio bursts can happen soon after stars are born, helping researchers understand how the early Universe evolved.

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13 Upvotes
2 comments

r/science • u/Creative_soja • 1d ago

Environment The rate of global warming has doubled in recent years. The accelerated rate means that the 1.5 °C threshold can be permanently crossed by 2028, nearly a decade earlier than previous estimates.

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9.5k Upvotes
805 comments

r/science • u/AgingUS • 4h ago

Biology Control theory of aging and longevity for gerotherapeutic drug discovery: state space, vector fields, modalities, safety, and the minimum safe cost of functional restoration

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11 Upvotes
1 comment

r/science • u/johnhemingwayscience • 6h ago

Biology While chlorine dioxide effectively kills bacteria at low concentrations of 0.1–5 ppm without acting like bleach, its controversial medical benefits for humans remain unproven and require rigorous clinical testing

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17 Upvotes
1 comment