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Epidemiology

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California Flavor Bans Linked to Lower Youth Vaping, UC San Diego Study Finds

Stronger enforcement and clearer rules appear to deepen the drop in teen e-cigarette use over time.

Wildlife Trade Strongly Linked to Human-Infecting Pathogens, Science Study Finds

Large U.S. Study Links Higher Optimism to Lower Dementia Risk

MIND Diet Linked to Slower Brain Aging in Long Framingham MRI Study

AI Study Finds 150,000 More U.S. COVID Deaths Went Uncounted in 2020–21

Vegetarian Diet Lowers Risk of Five Cancers, Oxford Pooled Study Finds

Preliminary Large Study Links Morning Chronotype and Exercise to Lower ALS Risk

Peer-Reviewed Studies Put Gaza’s Death Toll Above 75,000, Flag Years of Reconstructive Care Needs

CDC Issues Level 2 Travel Alert for Bolivia Following Chikungunya Outbreaks

Massive U.S. Study Links Fine-Particle Pollution to Higher Alzheimer’s Risk

Fire-Footed Rope Squirrels Identified as Likely Mpox Reservoir After Wild Primate Outbreak

Large Harvard-Led Study Links Moderate Caffeinated Coffee and Tea Intake to Lower Dementia Risk

New Analysis Finds Genes Account for About Half of Lifespan

Large Swedish Study Finds No Link Between COVID Vaccination and Fewer Births

Science Study Estimates Genes Account for About Half of Intrinsic Human Lifespan

Study Finds Genetics Account for About Half of Human Lifespan

Early Smoking Onset Linked to Higher Heart Attack, Stroke and Death Risk in 9.3 Million–Person Korean Study

Long-Term Air Pollution Linked to Higher Motor Neuron Disease Risk and Faster Decline, Study Finds

Lancet Meta-Analysis Finds No Neurodevelopmental Risk From Paracetamol in Pregnancy

HHS Launches Cellphone Radiation Study as FDA Pulls Old Safety Webpages