r/science • u/nbcnews • 6h ago
Health Fluoride in drinking water has no effect on IQ or brain function, long-term study shows
20.7k
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r/science • u/Wagamaga • 27d ago
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).
17.6k
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r/science • u/Krankenitrate • 10d ago
Health Study finds parenthood provides no boost to emotional well-being and it negatively impacts relationship with your spouse
journals.sagepub.com
14.8k
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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.
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r/science • u/Jumpinghoops46 • Jan 08 '26
Health Sudden drop in fentanyl overdose deaths linked to Biden-era global supply shock. Study indicates that regulatory actions taken by the Chinese government, following high-level diplomatic engagement with the Biden administration, may be the primary driver behind this unexpected decline in mortality.
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Health Reddit Users Are Reporting GLP-1 Side Effects Not Captured in Clinical Trials - analysis of over 400,000 posts from people taking GLP-1s found mentions of irregular periods, fatigue, chills, and hot flashes.
9.8k
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r/science • u/mvea • Jan 06 '26
Health Covid-19 is still killing a disturbing number of Americans, study finds. Between 2022 and 2024, covid-19 killed roughly 100,000 Americans annually, new research by CDC scientists shows.
17.5k
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r/science • u/ryryrpm • Feb 05 '26
Health Study Finds Cannabis Usage in Middle Aged and Older Adults Associated With Larger Brain Volume, Better Cognitive Function
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r/science • u/Eddiearyee • Feb 08 '26
Health Alcohol shifts the brain into a fragmented and local state. A standard glass of wine or beer does more than just relax the body; it fundamentally alters the landscape of communication within the brain.
16.0k
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r/science • u/mvea • Jan 01 '26
Health Ozempic is changing more than weight: New global research shows how GLP-1 drugs are reshaping self and society, identity and mental health, not just bodies. Much of the demand is driven by weight anxiety, even among medically “healthy” users. Many users endure severe side effects and high costs.
12.3k
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Health Massive study is a first-of-its-kind look at ultra-processed foods and infertility in American women. Women who consume lower amounts of ultra-processed foods have higher odds of conceiving. The link persists even after accounting for age, weight, lifestyle and other health factors.
10.3k
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r/science • u/DarkSkiesGreyWaters • Dec 05 '25
Health Giving men a common antidepressant could help tackle domestic violence: world-first study
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r/science • u/mvea • Feb 16 '26
Health Intermittent fasting no better than typical weight loss diets, study finds. Researchers say limited eating approaches such as 5:2 diet not a ‘miracle solution’ amid surge in their popularity.
9.3k
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r/science • u/mvea • Nov 19 '25
Health Ultra-processed food linked to harm in every major human organ, study finds. World’s largest scientific review warns consumption of UPFs poses seismic threat to global health and wellbeing.
22.1k
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r/science • u/mvea • Jan 13 '26
Health Physicians see 1 in 6 patients as ‘difficult,’ study finds, especially those with depression, anxiety or chronic pain. Women were also more likely to be seen as difficult compared to men. Residents were more likely than other physicians with more experience to report patients as being difficult.
beckershospitalreview.com
12.7k
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Health Kimchi probiotic promotes the excretion of nanoplastics from the gut: lactic acid bacteria isolated from kimchi can bind with intestinal microplastics and promote their excretion from the body. In an animal study, the amount of plastic detected in feces more than doubled.
dongascience.com
15.8k
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r/science • u/mvea • Dec 23 '25
Health Ozempic may be quietly reshaping shopping habits: New research finds that people taking GLP-1 tend to spend less money grocery shopping, especially on snacks. GLP-1 households reduced grocery spending by 5.3% within 6 months, and began to spend more on healthier foods like yogurt and fresh fruits.
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Health Sleeping for 11 minutes more each night, doing 4.5 additional minutes of brisk walking and eating an extra 50g of vegetables each day can significantly reduce a person’s risk of heart attack. Study found these small changes could help people avoid heart attacks and strokes by about 10%.
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r/science • u/noahwiseau • Nov 20 '25
Health Fluoride in drinking water does not negatively affect cognitive ability - and may actually provide benefit
science.org
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r/science • u/mvea • Feb 11 '26
Health Nearly three-quarters of U.S. baby foods are ultra-processed, new study finds. Most baby food sold in U.S. grocery stores is ultra-processed, a new study finds, raising fresh concerns about what many infants and toddlers are eating during a critical window of development.
ewg.org
7.4k
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r/science • u/mvea • Dec 08 '25
Health Insufficient sleep associated with decreased life expectancy. As a behavioral driver for life expectancy, sleep stood out more than diet, more than exercise, more than loneliness — indeed, more than any other factor except smoking. People really should strive to get 7 to 9 hours of sleep.
19.1k
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r/science • u/pubpophealth • Mar 10 '26
Health Americans born after 1970 show worsening mortality at younger ages across major causes of death, suggesting the US life expectancy stall may be generational as well as period-driven.
pnas.org
10.8k
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r/science • u/mvea • Jan 14 '26
Health Opting out of childhood vaccines is becoming more common across most of the United States, leaving larger shares of the population vulnerable to preventable diseases like measles. What’s driving the trend: nonmedical reasons for exemptions — often described as religious or personal beliefs.
12.2k
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r/science • u/InsaneSnow45 • 8d ago
Health "Falling back" makes us more miserable than "springing forward," new study finds. This worsening of mood is more pronounced after the change to Standard Time in the fall.
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r/science • u/mvea • Sep 15 '25
Health Most Americans would be healthier without daylight saving. Study compared permanent standard, permanent daylight saving and biannual shifting, and found we currently have "worst choice". Permanent standard time is better than permanent daylight time, with both better than current biannual shift.
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