Health

Poor sleep linked to dementia and early death, study finds

Sickle cell scientist fights for a cure for herself and others

The US must vaccinate most of the country against Covid-19 by winter to avoid more variants, expert says

Heart inflammation condition looked like heart attack in kids, pediatrician says

If 'cave syndrome' is keeping you from going in public, here's how to combat it

These communities remain at high risk for dangerous Covid-19 variants rapidly increasing in US, expert warns

CNN analysis: Where vaccination is up, Covid-19 cases are down

Afghan dog rescue group dismayed by CDC import ban

Breathe better to live better: Why breathing is your superpower

Do you yearn for fulfillment? Reach for the 'ordinary,' author says