Every day, Dora Dantzler-Wright and her colleagues distribute overdose reversal drugs on the streets of Chicago. They hold training sessions...

Measles continues to spread in West Texas and New Mexico, with more than 250 people infected — many unvaccinated school-age...

In his first meeting with top executives from PepsiCo, W.K. Kellogg, General Mills and other large companies, Robert F. Kennedy...

Dalvin Modore walked as if there were broken glass beneath his feet, stepping gingerly, his frail shoulders hunched against the...

Five years after Covid-19 shut down activities all over the world, medical historians sometimes struggle to place the pandemic in...

Researchers have corrected a disease-causing gene mutation with a single infusion carrying a treatment that precisely targeted the errant gene....

We left a world we might not get back to. Many things that we took for granted never returned to...

In a sweeping interview, Robert F. Kennedy Jr., the health and human services secretary, outlined a strategy for containing the...

By now, Ora Larson recognizes what’s happening. “It feels like you’re shaking inside,” she said. “I’m speeded up. I’m anxious.”...