r/science • u/mvea • 8h ago

Cancer After 20+ years of decline, US colorectal cancer rates are rising again, and not just in young people. A new NEJM Evidence study finds rates climbing in every age group up to 65-69, even where screening is high. COVID doesn't explain it, so scientists are studying environmental chemicals as a cause.

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uchicagomedicine.org
2.9k Upvotes
358 comments

r/science • u/mvea • 9h ago

Psychology Men and women report similar levels of “duty sex,” and similar reasons behind it. People who worry their partner might cheat, who see their partner as a more desirable catch than themselves, or who experience higher levels of emotional instability tend to report having sex out of duty more often.

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psypost.org
2.8k Upvotes
309 comments

r/science • u/sr_local • 3h ago

Health Chronic workplace stress may accelerate biological aging through inflammation, oxidative stress, changes in DNA, mitochondrial dysfunction and telomere shortening, potentially affecting long-term health. Paper sets out recommendations on how employers can promote the health of their staff

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uni-koeln.de
603 Upvotes
20 comments

r/science • u/Wagamaga • 9h ago

Environment Climate change must be declared a "global health emergency" to shape governments' policies after heat caused three million deaths between 2016 and 2023. By reducing worker productivity, warming has cost the global economy more than $1 trillion per year over the past three years

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1.9k Upvotes
106 comments

r/science • u/FreeHugs23 • 5h ago

Health Scientists identify a blood signature tied to Mediterranean-style eating is linked to 23% lower risk of death. Study suggests that specific patterns in the blood could help reveal biological factors linked to longer life and improved health.

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sciencealert.com
680 Upvotes
28 comments

r/science • u/LogicalDirect • 1d ago

Cancer Young adults with cancer report getting dismissed by doctors

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futurity.org
14.3k Upvotes
980 comments

r/science • u/Wagamaga • 7h ago

Medicine AI’s preference for drugs with a strong online presence may cost millions. Although an average of 5.5 FDA-approved products were available for each specified active ingredient, a single product accounted for an average of 97.5% of first-choice recommendations across the tested scenarios and models.

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eurekalert.org
345 Upvotes
31 comments

r/science • u/But-I-forgot-my-pen • 4h ago

Anthropology A 1,500 km survey of Arabia’s Empty Quarter found ancient lake beds at 55 sites but not a single stone tool. Early humans settled where water and stone for making tools occurred together, and the desert interior had no such stone

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nature.com
200 Upvotes
25 comments

r/science • u/Miserable_Phase_2519 • 5h ago

Psychology A large study found that adults who experienced childhood trauma were significantly more likely to show biological, psychological, and social resilience if they had a close, warm emotional bond with a mother figure and lower amounts of sedentary screen time during adolescence.

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psypost.org
186 Upvotes
2 comments

r/science • u/KoalaWide2345 • 5h ago

Biology European flounder, a marine fish thought to need salt or brackish water to reproduce, can complete its entire life cycle in freshwater. Most flounders sampled from a former Arctic fjord lake in northern Finland had never left freshwater, according to otolith chemistry.

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helsinki.fi
179 Upvotes
5 comments

r/science • u/Science_News • 9h ago

Earth Science Comets probably didn’t deliver life’s building blocks to Earth | The speed and angle of impact would have destroyed most organic compounds from comets, researchers report

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sciencenews.org
344 Upvotes
47 comments

r/science • u/Phylogenix • 31m ago

Neuroscience A study of 2,362 deceased former NFL players estimated that 75% had chronic traumatic encephalopathy (CTE) at death, compared with 0.6% in the general population. Researchers used statistical methods to account for the higher likelihood of brain donations from players with cognitive symptoms.

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• Upvotes
9 comments

r/science • u/sfgate • 49m ago

Paleontology Near Arches National Park, a new dinosaur species emerges from the ground

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sfgate.com
• Upvotes
3 comments

r/science • u/Wagamaga • 2h ago

Social Science Research shows how U.S political polarization creates business uncertainty. Fundraising advantages of national political organizations give parties tremendous influence over their candidates, while campaigns built around emotionally charged issues reward partisan conflict rather than compromise

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news.fsu.edu
50 Upvotes
7 comments

r/science • u/mvea • 23h ago

Neuroscience Autistic children’s brains respond less to the emotional meaning of sentences, fMRI study finds. This may contribute to autistic children’s social communication challenges.

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psypost.org
1.4k Upvotes
142 comments

r/science • u/FreeHugs23 • 21h ago

Health Mice With Parkinson’s-Like Brain Damage Unexpectedly Recovered a Year Later, Raising New Questions About Whether the Brain Can Reverse Some Effects of Neurodegenerative Disease

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sciencealert.com
870 Upvotes
5 comments

r/science • u/smurfyjenkins • 21h ago

Social Science Otto von Bismarck, the conservative chancellor of the German Empire, created the world's first welfare state in the 1880s. Intended to combat the Socialist Party as an emerging challenger party, the policy ended up benefiting the socialists in elections due to issue ownership.

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752 Upvotes
33 comments

r/science • u/mvea • 1d ago

Health How dismissed symptoms can push patients to breaking point: Patients with autoimmune diseases have been left feeling suicidal after feeling like their doctor was saying their symptoms were ‘all in their head’. Only 7% agreed with being told that their symptoms were “psychosomatic”.

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7.0k Upvotes
716 comments

r/science • u/FreeHugs23 • 1d ago

Health Dogs’ Mouths Harbor Parasites Associated With Humans, Revealing a Potentially Overlooked Source of Cross-Species Parasite Exposure. Research can't establish whether our pets are getting these oral parasites directly from us, but that is a possibility.

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sciencealert.com
3.0k Upvotes
118 comments

r/science • u/Slow_cpu • 12h ago

Genetics How our blood vessels age from within. The Human Aging Endothelial Cell Atlas provides scientists with a new resource for exploring how blood vessels age across different tissues...

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eurekalert.org
98 Upvotes
1 comment

r/science • u/Unlikely_Forever_466 • 10h ago

Geology Study finds rising salinity in Antarctic Intermediate Water after sea-ice decline

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57 Upvotes
1 comment

r/science • u/Wagamaga • 1d ago

Psychology Global happiness researchers reveal keys to a good life. Research found as much as 40 per cent of one’s happiness is related to “volitional activities” or how you choose to spend your time.

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3.5k Upvotes
192 comments

r/science • u/Pomme-M • 4h ago

Medicine JEM published research describes common B vitamin as potential psoriasis treatment

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16 Upvotes
2 comments

r/science • u/LogicalDirect • 1d ago

Health Living Alone Linked to Mortality Risk From Multiple Causes in U.S. Including Cancer; Suicide Highest

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963 Upvotes
58 comments

r/science • u/mvea • 1d ago

Medicine A monkey infected with an HIV-like virus has stayed virus-free for four years after a single shot of a new antibody that helps the immune system destroy the cells where the virus hides. Several other baby monkeys also stayed clear for months after their HIV drugs were stopped, in a small, new study.

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sciencealert.com
3.8k Upvotes
48 comments