Readers react to a guest essay about how some patients are living longer with advanced cancer.

One year after my daughter’s birth, I’m still experiencing health complications.

Even doctors can learn something from A.I.

The future of health advice is uncertain.

Robert F. Kennedy Jr.’s MAHA movement has reshaped the public health debate. But if the coalition behind it begins to fracture, what comes next?

We have no F.D.A. director, no permanent C.D.C. director and no surgeon general.