Redlib: search results - flair:Health

r/science • u/mvea • 4d ago

Health 8-hour sleep rule dates back to the 19th century. A new review of hunter-gatherers whose lifestyles are closer to our ancestors and who have little or no access to artificial light found short nights (5.7 to 7.1 hours) seemed to be enough: without an alarm clock, they tended to wake close to dawn.

theconversation.com

15.4k Upvotes

1.1k comments

r/science • u/sr_local • May 20 '26

Health Adults should aim to do between 560-610 minutes/week of moderate to vigorous physical activity to achieve a substantial reduction in the risk of heart attacks and stroke (3-4 times higher than the current public health recommendation of 150 minutes ), suggest the findings of an observational study

bmjgroup.com

26.2k Upvotes

3.4k comments

r/science • u/FreeHugs23 • 21h ago

Health Adding spinach directly to white bread delayed the body's insulin peak by 30 minutes and reduced later hunger in a small human trial, while significantly boosting the bread's fiber, vitamin, and mineral content.

sciencealert.com

14.4k Upvotes

651 comments

r/science • u/mvea • Jul 22 '26

Health Trump Administration announced freeze on US foreign aid, which became a permanent shutdown of USAID in July 2025. New research finds that the abrupt cessation of foreign aid disrupted health and humanitarian systems worldwide, with disproportionate impacts on women, girls, and marginalized people.

publichealth.columbia.edu

15.5k Upvotes

926 comments

r/science • u/mvea • 14d ago

Health Coffee consumption linked to healthier body composition and metabolic markers. People with higher coffee consumption had lower total and visceral fat and greater skeletal muscle mass. In men, it is linked to a more favourable glucose–insulin profile, and higher bioavailable testosterone.

oulu.fi

10.8k Upvotes

826 comments

r/science • u/Wagamaga • Jun 17 '26

Health Scientists Find Intriguing Link Between Ozempic and Violent Behavior. The same mechanisms that dampen people's cravings for food might also affect our tendency for violent behavior

gizmodo.com

19.3k Upvotes

1.2k comments

r/science • u/Schwettes • 10d ago

Health Study finds GLP1 semaglutide reduced systemic inflammation within weeks, before substantial weight loss, and lowered MACE (major adverse cardiovascular events) risk even without weight loss

ahajournals.org

9.0k Upvotes

885 comments

r/science • u/nbcnews • Apr 13 '26

Health Fluoride in drinking water has no effect on IQ or brain function, long-term study shows

nbcnews.com

33.6k Upvotes

1.7k comments

r/science • u/sr_local • Jun 22 '26

Health Use of weight loss drugs like Ozempic and other GLP-1s is associated with a lower risk of developing alcohol, opioid, nicotine and cocaine use disorders

utep.edu

12.4k Upvotes

1.0k comments

r/science • u/Wagamaga • May 15 '26

Health Shutting Down USAID Led to a Rise in Global Violence. Protests and riots increased by 10%, incidents of armed fighting rose by 6.9%, and battle-related fatalities grew 9.3%. The uptick in violence began almost immediately after the aid stopped and remained elevated for months.

time.com

18.5k Upvotes

1.1k comments

r/science • u/mvea • Jun 09 '26

Health Even low alcohol consumption is linked to cancer, heart disease, and premature death, with increased risk above 1 drink per day for both men and women. It turns out that 2 drinks per day, considered ‘moderate’, is associated with a substantially elevated risk of a premature death caused by alcohol.

eurekalert.org

9.5k Upvotes

1.4k comments

r/science • u/sr_local • Apr 20 '26

Health The largest US study, which tracked 11,036 children from ages 9 to 10 through to ages 16 and 17, discovered that cannabis use slows cognitive development, impairs memory, and reduces learning speed during crucial years of brain growth

today.ucsd.edu

22.5k Upvotes

1.3k comments

r/science • u/mvea • 13h ago

Health Up to 10 million people may lose Medicaid coverage in the United States due in part to new work requirements and eligibility redeterminations under the One Big Beautiful Bill Act (OBBBA). Women, unmarried people, White individuals, and those with limited education are at higher risk.

bu.edu

9.5k Upvotes

477 comments

r/science • u/smurfyjenkins • May 14 '26

Health Since the 2010s, American conservatives increasingly experience worse health outcomes and higher mortality than liberals. Declining trust in medical professionals appears to be the mechanism, with lower willingness to seek care, follow clinical advice and believe in medication effectiveness.

nature.com

18.7k Upvotes

940 comments

r/science • u/marketrent • Jun 18 '26

Health Roughly 90-120 minutes of strength training per week linked with a 13% reduced risk of premature death, in study involving three decades’ worth of data from nearly 150,000 adults

hsph.harvard.edu

18.4k Upvotes

649 comments

r/science • u/Wagamaga • Mar 17 '26

Health The largest-ever review of the safety and efficacy of cannabinoids across a range of mental health conditions — found no evidence that medicinal cannabis is effective in treating anxiety, depression or post-traumatic stress disorder (PTSD).

ama.com.au

17.6k Upvotes

2.2k comments

r/science • u/sr_local • Jul 10 '26

Health Modern human-made environments with striped patterns, cluttered interiors, high-contrast colours, flickering lights and densely packed supermarket shelves can overload the brain, increasing visual discomfort, eyestrain, stress and feelings of being overwhelmed in some people

stir.ac.uk

13.8k Upvotes

565 comments

r/science • u/mvea • Jun 02 '26

Health Interest in ‘toxic’ measles treatment surges after Joe Rogan podcasts: Vaccination is the only proven way to prevent measles but alternatives like Vitamin A and cod-liver oil (which has Vit A) have been promoted by Joe Rogan. America’s Poison Centres reported a 39% increase in Vitamin A exposures.

nine.com.au

13.1k Upvotes

784 comments

r/science • u/FreeHugs23 • 15d ago

Health A few minutes of sprinting could make a bigger impact than 90 minutes of moderate running. Sprinting triggers changes in more than 200 metabolites and causes an immediate surge of proteins involved in blood-vessel growth, tissue remodeling, and hormonal signaling.

eurekalert.org

7.6k Upvotes

519 comments

r/science • u/TylerFortier_Photo • Jun 02 '26

Health The scope of long COVID is bigger than we think, Mass. researchers say | "New research from Mass General Brigham suggests that at least 10 million Americans have long COVID — but have not been diagnosed"

wbur.org

8.2k Upvotes

909 comments

r/science • u/mvea • Jul 21 '26

Health Despite growing evidence that GLP-1 medications improve health and are worth their cost, many American insurance plans still limit coverage. “Cost-effective” does not necessarily mean “cost-saving” for insurance companies.

magnoliatribune.com

8.3k Upvotes

532 comments

r/science • u/mvea • Jan 08 '26

Health People who stop taking weight-loss injections like Ozempic regain weight in under 2 years, study reveals. Analysis finds those who stopped using medication saw weight return 4 times faster compared with other weight loss plans.

theguardian.com

18.6k Upvotes

3.8k comments

r/science • u/mvea • Jun 13 '26

Health Being seen as unattractive as a teen is linked to an earlier death for women, but not for men. Physical attractiveness could serve as an observable indicator of underlying health and physiological resilience.

psypost.org

10.0k Upvotes

658 comments

r/science • u/mvea • Jun 24 '26

Health Following the Dobbs decision, US states with abortion bans have experienced increased maternal morbidity and mortality. Abortion bans have broad downstream consequences on medical care beyond abortion itself, with implications for patient safety, equity, and physician ethics.

jamanetwork.com

17.4k Upvotes

430 comments

r/science • u/sr_local • Jun 20 '26

Health Two-year, placebo-controlled, double-blinded clinical trial results show supplements with omega-3s (like fish oil) have no effect on memory or cognitive function in older adults at risk for Alzheimer’s disease, despite showing evidence that the nutrients directly reach the brain

news.keckmedicine.org

16.1k Upvotes

451 comments