Read More Scince News Health 13 days ago Toxic Metals Found in Brazilian Plastic Toys Raise Alarms A major study of 70 plastic toys sold in Brazil found hazardous metals—including barium, lead, chromium and antimony—often exceeding legal limits. Researchers call for stricter testing, traceability and enforcement to protect children.
Read More Scince News Health 13 days ago How Estrogen Tunes Dopamine to Shape Learning and Reward A new study reveals how estrogen changes dopamine signaling in the brain’s reward circuits, altering learning across the reproductive cycle and offering clues to hormone-linked cognitive and psychiatric symptoms.
Read More Scince News Health 13 days ago Low Vitamin D and Depression: When Deficiency Raises Risk A global review of 66 observational studies finds that very low vitamin D (25[OH]D ≤30 nmol/L) is often linked with higher rates of depression. Scientists call for trials to test whether fixing deficiency prevents new-onset depression.
Read More Scince News Health 13 days ago Why Extreme Old Age May Suppress Cancer: New Mouse Study Stanford researchers show that very old mice develop fewer, smaller lung tumors than young adults. The study suggests aging can suppress cancer and changes how tumor-suppressor mutations like PTEN behave.
Read More Scince News Health 14 days ago Serotonin, SSRIs and Cancer: New Paths to Treatment Early research links serotonin and SSRIs to changes in cancer cell behaviour. Laboratory results are promising but require animal studies and large clinical trials before any therapeutic use can be confirmed.
Read More Scince News Health 14 days ago Why Women Face a Higher Stroke Risk: What Experts Say Women face unique stroke risks across the life course. This article explains how pregnancy, hormones, contraception, menopause and social inequalities increase stroke risk and what clinicians recommend.
Read More Scince News Health 15 days ago Million-Patient Study: Heart Risk Cut by GLP-1 Drugs A Mass General Brigham analysis of nearly one million patients finds tirzepatide and semaglutide both reduce heart attack, stroke and death risk, offering early cardioprotective benefits beyond weight loss.
Read More Scince News Health 15 days ago Scientists Find Neurons That Drive and Calm Anxiety Spanish researchers found that rebalancing specific amygdala neurons by modulating GRIK4/GluK4 reversed anxiety and social deficits in mice, pointing to targeted circuit-based therapies.
Read More Scince News Health 15 days ago Hidden Risks: How Swallowing Pills Hurts the Esophagus Pill-induced esophagitis happens when tablets dissolve in the esophagus and injure its lining. Learn which drugs carry risk, who is most vulnerable, and practical steps to prevent and treat this avoidable condition.
Read More Scince News Health 15 days ago Body's Natural Benzos: A New Path to Nonopioid Pain Researchers found a natural, benzodiazepine-like peptide in peripheral spinal ganglia that dampens pain signals. This discovery could enable targeted, nonaddictive pain therapies that avoid opioid risks.
Read More Scince News Health 16 days ago Tuberculosis Still Kills 1.23 Million People in 2024 WHO reports tuberculosis killed 1.23 million people in 2024 as global cases fall slightly. Improved diagnostics, treatment gains and vaccine trials offer hope, but funding gaps and social drivers threaten progress.
Read More Scince News Health 16 days ago Living Medicines: Can Bacteria Turn the Tide Against Cancer Engineered bacteria show promise as adaptive cancer therapies, but dose control, infection risk and biocontainment must be solved. Learn how scientists balance safety, trials, and regulatory hurdles.
Read More Scince News Health 16 days ago How IQ Shapes Hearing Speech in Noisy Places Explained A University of Washington study finds that lower cognitive ability — not just ear function — can impair understanding speech in noisy settings, shedding new light on listening problems beyond hearing loss.
Read More Scince News Health 17 days ago Midlife Heart Damage Predicts Dementia Risk Decades Later A 25-year Whitehall study shows tiny midlife rises in cardiac troponin I predict higher dementia risk decades later. MRI and cognitive tests link heart strain to brain ageing, highlighting prevention through cardiovascular health.
Read More Scince News Health 17 days ago Humans Age in Two Sudden Shifts - Mid-40s and Early 60s New molecular research shows humans undergo two significant aging shifts—around the mid-40s and again in the early 60s—affecting metabolism, immune function and disease risk and pointing to new windows for preventive care.
Read More Scince News Health 17 days ago Targeted Vitamin D Cuts Second Heart Attack Risk by Half A randomized trial from Intermountain Health found that tailoring vitamin D3 supplementation to reach a blood target (>40 ng/mL) halved the risk of a second heart attack. Study details, context, and expert commentary included.
Read More Scince News Health 18 days ago Genetic Score Unites Tests to Reveal Hidden Heart Risks Northwestern researchers combined monogenic, polygenic and whole-genome data into a single genetic score that improves prediction of arrhythmia and could enable earlier, personalized cardiac care.
Read More Scince News Health 18 days ago New Trial Suggests Coffee May Lower Atrial Fibrillation Risk A randomized trial following 200 patients after cardioversion found lower atrial fibrillation recurrence in those who drank coffee. Study details, possible mechanisms, and what it means for AF patients.
Read More Scince News Health 18 days ago Why Our Brains Defend Weight: Biology, Drugs and Policy Our brains evolved mechanisms to defend body weight, making sustained weight loss difficult. This article explains the biology, new drug treatments, prevention strategies, and practical guidance grounded in science.
Read More Scince News Health 18 days ago Cycling Adds Years: Japan Study Links Biking to Longevity A decade-long University of Tsukuba study finds regular cycling reduces long-term care needs and mortality among older Japanese adults—especially nondrivers—highlighting cycling as a low-cost route to healthier aging.
