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Major JAMA Review Finds Weak Evidence for Most Medical Cannabis Uses

The UCLA-led JAMA review urges clinician caution, citing weak evidence for common uses alongside measurable harms.

Stanford Study Finds Gas Stoves Are Major Source of Indoor NO2, Putting Millions Above Health Guidelines

Reddit Field Experiment Shows Power Users Skew Political Discourse

Early Childhood Heat Exposure Tied to 5–7% Drop in Hitting Key Milestones

Four-Year Study Links Kids’ Social Media Use to Rising Inattention

Peer-Reviewed Studies Find AI Chatbots Can Shift Voter Preferences by Up to 15%

Extreme Heat Tied to Lower Early Learning in 3- and 4-Year-Olds, Cross-National Study Finds

One-Week Social Media Cutback Tied to Short-Term Mental Health Gains in Young Adults

Large U.S. Study Links Fluoridated Drinking Water to Modestly Higher Teen Test Scores, No Cognitive Harm at 60

New Studies Question Blanket Warnings on Nighttime Screens and Sleep

Vegan Diet Can Cut Food-Related Emissions by 46%, Study Finds

Hydrogen Sulfide Kills Drug-Resistant Nail Pathogens in Lab Tests

Only 30% Hit In‑School Activity Target as Study Exposes Wide Gaps Across English Primaries

Swedish Registers Pinpoint Postpartum Mental-Health Peaks and Earlier Detection After 2020 Screening

Year-Long, Very-High-Fat Keto Diet Triggers Metabolic Harm in Mice

Reindeer Grazing Found to Buffer Winter-Climate Impacts on Boreal Forest Carbon

Nature Climate Change Study Links Hotter Temperatures to Higher Added-Sugar Purchases in the U.S.

JWST Narrows TRAPPIST-1e’s Atmosphere, Pointing to Nitrogen-Rich Air

Warmer Days Drive Uptick in U.S. Added Sugar, Nature Climate Change Study Finds

Cancer Cells Use Alternate Ketone Route to Generate Acetyl-CoA for Growth