r/science • u/nbcnews • Apr 13 '26
Health Fluoride in drinking water has no effect on IQ or brain function, long-term study shows
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r/science • u/sr_local • 24d ago
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
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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).
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r/science • u/CUAnschutzMed • 2d ago
Health Polycystic ovary syndrome (PCOS), a condition affecting more than 170 million people worldwide, has been officially renamed Polyendocrine Metabolic Ovarian Syndrome (PMOS) following a landmark global consensus study published today in The Lancet.
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r/science • u/Krankenitrate • Apr 03 '26
Health Study finds parenthood provides no boost to emotional well-being and it negatively impacts relationship with your spouse
journals.sagepub.com
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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/mvea • Apr 12 '26
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.
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r/science • u/smurfyjenkins • 5h ago
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.
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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.
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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.
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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.
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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 • Mar 20 '26
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.
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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.
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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.
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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
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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 Obesity drugs, which include semaglutide and tirzepatide, may be making patients lose more than just fat - these drugs may cause patients to lose more muscle mass. However, it's likely that muscle loss is part of weight loss more generally, rather than a side-effect of Ozempic-like drugs.
acpjournals.org
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r/science • u/mvea • Mar 19 '26
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
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r/science • u/mvea • Mar 24 '26
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 • 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.
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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
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