Studies of hunter-gatherer sleep show how nighttime temperature, natural light and seasonal changes are linked to human sleep ...

Why does the US spend $17,496 per person on healthcare yet rank 10th of 10 nations? See the 2026 premium shock, the Great ...

Is your pillow too high or too low? Learn how pillow position, sleep posture and neck alignment can affect comfort, pain and ...

Is artificial intelligence (AI) making us think less? New research examines memory, critical thinking and cognitive ...

Boehringer Ingelheim and WHO Foundation Launch Global Collaboration to Close the Gap in Obesity and Metabolic Health ...

A four-year study of 5,197 Korean children and adolescents found that longer smartphone use was associated with higher odds of obesity.

Why do some people respond better to oral vitamin B12 supplements? A study found that absorption, dose, starting B12 levels and regular use may help explain the difference.

Are you self-aware or just overthinking? Learn the difference between healthy reflection, rumination and self-centeredness, plus the signs.

Life without the internet can affect loneliness, stress, mental health, and access to care. Explore how being offline affects older adults, students, and families.

Earth Just Failed 7 of 9 Health Checks. Use our interactive dashboard to check Earth's vital signs and learn 4 practical ways to lower your environmental footprint.

Colorado River drought is straining water supplies across the US West, raising concerns over drinking water, heat, air quality and public health.

A new urine and vaginal fluid test could help identify women with postmenopausal bleeding who need urgent womb cancer investigations.