In its first 100 days, the Trump administration has made clear that the next few years will test Americans’ commitment to our ...

The Third Reich collected medical data about the disabled, including those who would be on the autism spectrum.

Robert F. Kennedy, Jr., declared chronic diseases an “existential threat.” Then his agency terminated one of the world’s ...

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