study

Harvard professor calls out ‘lie’ of needing 8 hours of sleep a night, says it’s Industrial Era ‘nonsense’
Health

Harvard professor calls out ‘lie’ of needing 8 hours of sleep a night, says it’s Industrial Era ‘nonsense’

By
October 30, 2025
Being mean to ChatGPT can boost its accuracy, but scientists warn that you may regret it in a new study exploring the consequences
AI

Being mean to ChatGPT can boost its accuracy, but scientists warn that you may regret it in a new study exploring the consequences

By
October 30, 2025
A doctor in an operating room looks at a laptop. Other doctors are gathered in the background.
Tech

Doctors who used AI assistance in procedures became 20% worse at spotting abnormalities on their own, study finds, raising concern about overreliance

By
August 26, 2025
A man alone on a beach wearing a coat, his back to the camera
Mind

Loneliness is bad for your health—but it may not be as deadly as once thought, new research finds

By
June 16, 2025
Elderly man and woman
Aging Well

These states have the highest rates of dementia in the U.S., new study finds

By
June 12, 2025
Why drinking sugar may be worse than eating it
Lifestyle

Why drinking sugar may be worse than eating it

By
June 10, 2025
Woman taking a pill and holding a glass of water
Lifestyle

New research challenges belief that taurine supplements support longevity

By
June 9, 2025
Closeup of man smoking marijuana joint
Lifestyle

Risks of cannabis range from heart attack to psychosis. Here’s who may be most susceptible

By
June 3, 2025
Man sleeping in bed wearing eye mask
Lifestyle

Night owls tend to have more health risks than early birds—including cognitive decline, new study finds

By
May 30, 2025
Patient's view of masked dentist approaching with tools in hands
Health

Removing fluoride from public water systems would result in dental disaster for millions of Americans, study warns

By
May 30, 2025
Woman sitting up on her bed at night
Health

Good news for night owls: When you need sleep is determined not by laziness, but chronotype. Here’s what that means

By
May 12, 2025
woman eating junk food
Lifestyle

How much ultraprocessed food is too much? The exact amount that raises your risk of heart disease and cancer

By
May 8, 2025
Mother holding a baby in a diaper
Success

This is the number of babies each woman needs to have to avoid human extinction—and the U.S. is nowhere close

By
May 2, 2025
Technician leaning over a person getting an MRI
Health

Your heart has its own age—and knowing it can be the key to cardio health, study finds

By
May 1, 2025
Young man on couch smoking a cigarette
Health

Americans take one step forward, one step back for cancer prevention

By
April 24, 2025

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