Alexandra Sifferlin, a health and science editor for Times Opinion, hosted a written conversation with the Opinion columnist ...

A social worker, she became a Democratic Party insider and joined President Bill Clinton’s cabinet during his second term.

Former National Institutes of Health director Francis Collins said in an interview broadcast Sunday he retired last month ...

When the former Kate Middleton was diagnosed with ... genital or urinary, Dr. Ben Ho Park, director of precision oncology at Vanderbilt School of Medicine, previously told TODAY.com.