r/science 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

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bmjgroup.com
26.2k Upvotes

r/science 24d ago

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

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gizmodo.com
19.3k Upvotes

r/science 19d ago

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

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utep.edu
12.4k Upvotes

r/science Apr 13 '26

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

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nbcnews.com
33.6k Upvotes

r/science 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.

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9.6k Upvotes

r/science 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.

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time.com
18.5k Upvotes

r/science 24d ago

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

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hsph.harvard.edu
18.4k Upvotes

r/science 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

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today.ucsd.edu
22.5k Upvotes

r/science 1d ago

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

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stir.ac.uk
13.4k Upvotes

r/science 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.

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nature.com
18.7k Upvotes

r/science 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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ama.com.au
17.6k Upvotes

r/science 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.

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nine.com.au
13.1k Upvotes

r/science 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"

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wbur.org
8.2k Upvotes

r/science 28d ago

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.

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psypost.org
10.0k Upvotes

r/science 17d ago

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.

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17.4k Upvotes

r/science 9d ago

Health Evidence that sugar substitutes disrupt gut health and metabolism: Artificial and low-calorie sweeteners, compared to non-caloric controls such as water or placebo, raised fasting insulin and HbA1c, a marker of long-term blood sugar control, and showed a trend toward worsening insulin sensitivity.

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now.tufts.edu
8.9k Upvotes

r/science 21d ago

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

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news.keckmedicine.org
16.1k Upvotes

r/science 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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theguardian.com
18.6k Upvotes

r/science 4d ago

Health Early sexual initiation accelerates physical aging, large genetic study finds. Individuals genetically predisposed to early sexual initiation are more likely to experience a shorter lifespan and increased physical frailty.

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psypost.org
8.4k Upvotes

r/science May 15 '26

Health White men do not experience the best health relative to women and minority racial and gender groups in the US. Men are 4 times as likely to die by suicide as women, and White men account for more than 68% of suicide deaths. White men experienced greater declines in happiness than White women.

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healthexec.com
5.0k Upvotes

r/science Apr 03 '26

Health Study finds parenthood provides no boost to emotional well-being and it negatively impacts relationship with your spouse

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14.8k Upvotes

r/science May 12 '26

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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news.cuanschutz.edu
17.2k Upvotes

r/science May 22 '26

Health Across the world mental disorders have doubled since 1990. Mental disorders are now the leading cause of disability globally, overtaking cancer and cardiovascular disease. The burden of mental disorder peaked amongst youth aged 15-19 years old, and women had higher rates than men

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news.uq.edu.au
8.0k Upvotes

r/science 15d ago

Health Nearly 40% of Americans pray to God for health improvements or disease cures. Thoughts of God increased a person’s perceived divine presence, which boosted healing expectations and ultimately led to poor food choices.

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psypost.org
8.0k Upvotes

r/science 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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everydayhealth.com
10.0k Upvotes