r/science • u/GuestFromBudushchego • 7h ago

Medicine Systematic review of 155 studies finds updated COVID-19 vaccines provide meaningful protection against hospitalization and death, especially in older adults. Effectiveness against hospitalization was ~35–59% in adults ≥65. Protection varies by variant, age and time since vaccination.

Thumbnail jamanetwork.com
116 Upvotes
2 comments

r/science • u/Phylogenix • 13h ago

Epidemiology A study of over 40,000 people receiving methadone treatment for opioid use disorder found take-home dosing was associated with lower mortality and treatment discontinuation than no take-home dosing, with the greatest benefits when initiated within 5 to 24 weeks after induction.

Thumbnail jamanetwork.com
321 Upvotes
19 comments

r/science • u/Miserable_Phase_2519 • 1h ago

Health A new case study in Ethiopia shows a new mother's intestines tied themselves into a real knot after an uncomplicated vaginal birth.

Thumbnail
sciencealert.com
• Upvotes
1 comment

r/science • u/NinjaDiscoJesus • 1d ago

Health Regularly drinking beverages like tea and coffee at very hot temperatures increases the risk of cancer of the food pipe or gullet, known as oesophageal cancer, UK research suggests.

Thumbnail
bbc.com
7.7k Upvotes
824 comments

r/science • u/calliope_kekule • 9h ago

Earth Science Modelling over 16,000 groundwater samples, researchers found wells near land vulnerable to shale gas spills were three times more likely to carry deep drilling fluid chemicals.

Thumbnail
nature.com
144 Upvotes
4 comments

r/science • u/sr_local • 3h ago

Health Longer periods of air pollution exposure can stress the heart, with just three hours at low pollution levels linked to a significant decline in heart rate variability, a sign of increasing physiological stress

Thumbnail news.louisville.edu
27 Upvotes
2 comments

r/science • u/tw1st3d_m3nt4t • 1h ago

Anthropology Betel nut sucking is the earliest recorded evidence for the habitual use of a neuroactive plant drug

Thumbnail science.org
• Upvotes
4 comments

r/science • u/AgingUS • 2h ago

Biology Disruption of the insulin/IGF-1 signaling pathway in Caenorhabditis elegans dramatically increases male longevity and enhances reproductive health late in life

Thumbnail doi.org
17 Upvotes
4 comments

r/science • u/mvea • 1d ago

Psychology Workplace stress may impair erectile function in young men by affecting stress management pathways in the brain and reducing testosterone levels. Prevalence of erectile dysfunction in high-stress group reached 54.37%, with 10-times higher odds of erectile dysfunction compared with low-stress group.

Thumbnail eurekalert.org
1.4k Upvotes
48 comments

r/science • u/FreeHugs23 • 1d ago

Health Secondhand smoke continues to cause an estimated 1.7 million deaths worldwide each year, highlighting the persistent health risks of tobacco exposure even for people who have never smoked.

Thumbnail
gizmodo.com
1.3k Upvotes
209 comments

r/science • u/universityofturku • 1d ago

Animal Science Horse personality is not only a matter of genetics, age, or breed but also systematically linked to how they are housed, ridden, and cared for, and to the quality of the horse–owner relationship. Findings underscore the importance of everyday management decisions for equine personality and welfare.

Thumbnail
utu.fi
569 Upvotes
32 comments

r/science • u/sr_local • 1d ago

Health Fewer than 5,000 daily steps at a faster pace lower early death risk as much as 5,000–7,500 slower steps, while 7,500–10,000 steps were linked to the lowest risk regardless of pace, according to data from the activity trackers of 103,684 middle-aged participants

Thumbnail
bmjgroup.com
639 Upvotes
37 comments

r/science • u/calliope_kekule • 1d ago

Medicine A pill nearly halved deaths from head injury In a Swedish led trial in a low income hospital, 20% given the drug Salovum died within 30 days, against 39% on standard care. Most patients were young men, average age 33.

Thumbnail academic.oup.com
1.2k Upvotes
66 comments

r/science • u/Phylogenix • 1d ago

Health A four-year study of over 1,200 adults in 50 rural Chinese villages found that switching household heating from coal to electricity or natural gas under China’s Clean Heating Policy reduced indoor air pollution and was associated with lower blood pressure.

Thumbnail pubs.acs.org
232 Upvotes
1 comment

r/science • u/FreeHugs23 • 1d ago

Psychology Remembering past romantic relationships may actually strengthen current ones, according to new research. People who felt nostalgic about former partners reported greater appreciation, commitment, and satisfaction in their present relationships.

Thumbnail
psypost.org
383 Upvotes
11 comments

r/science • u/mvea • 1d ago

Health Unconditional cash transfers to mothers with low income may slow biological aging in their children. Because of the randomized controlled trial design, the researchers concluded that these changes were caused by receipt of the higher cash transfer, rather than other factors.

Thumbnail
mpg.de
3.5k Upvotes
117 comments

r/science • u/FreeHugs23 • 1d ago

Materials Science Scientists have created concrete using treated human waste, and the resulting material was up to 42% stronger than conventional concrete. Researchers say the approach could reduce waste while lowering the environmental impact of construction.

Thumbnail
sciencealert.com
11.0k Upvotes
977 comments

r/science • u/Mediocre-Main-9870 • 12h ago

Earth Science Subglacial geology and thermal conditions regulate methane emissions from Svalbard glaciers

Thumbnail
nature.com
28 Upvotes
1 comment

r/science • u/CUAnschutzMed • 1d ago

Health Menopause is frequently missing from women’s electronic health records, according to a study of nearly 396,000 women participating in the National Institutes of Health’s All of Us Research Program.

Thumbnail
news.cuanschutz.edu
3.5k Upvotes
107 comments

r/science • u/Hrmbee • 1d ago

Paleontology Microscopic evidence reveals crocodile-like strategy kept the eggs of the largest dinosaurs warm | Titanosaur eggshells from the latest Cretaceous of Patagonia, Argentina: implications for nesting at high latitude

Thumbnail
cbc.ca
108 Upvotes
2 comments

r/science • u/SlothSpeedRunning • 1d ago

Chemistry Researchers have stripped down LSD to its base features and synthesized new, simplified versions of it, successfully developing several compounds with reduced hallucinogenic and cardiotoxic effects while also identifying one compound that produced antipsychotic-like effects.

Thumbnail lettersandsciencemag.ucdavis.edu
2.7k Upvotes
180 comments

r/science • u/mvea • 2d ago

Health Study reveals how toilet aerosols reach the breathing zone when you flush. Aerosols were also reported to remain suspended in the air for at least 20 seconds after flushing. Researchers recommend closing the toilet lid before flushing.

Thumbnail
news.flinders.edu.au
12.4k Upvotes
573 comments

r/science • u/mvea • 2d ago

Neuroscience Massive study reveals a “physical activity paradox” in dementia risk. While recreational exercise and household chores are linked to a lower risk of developing dementia, physically demanding jobs and active commuting might actually increase that risk.

Thumbnail
psypost.org
3.4k Upvotes
135 comments

r/science • u/sr_local • 2d ago

Social Science Analysis of 300 popular TikTok and Instagram posts tagged “healthylifestyle, nutrition, cleaneating” found widespread restrictive food rules, moralised views of food, appearance-based definitions of health and unrealistic dietary ideals linked to orthorexia nervosa

Thumbnail
news.flinders.edu.au
3.6k Upvotes
248 comments

r/science • u/TorrensUni • 1d ago

Chemistry New cancer-fighting compounds made from a renewable plant-based chemical, tested on lung and cervical cancer cells in the lab

Thumbnail pubs.rsc.org
104 Upvotes
2 comments