New worries about President Trump's state of mind are being expressed openly by former allies and aides as liberal foes ...

As the president threatens to wipe out Iran and attacks the pope, even some former allies and advisers are questioning ...

Brutal new polling from the AP-NORC Center for Public Affairs Research shows that nearly half of Republicans disapprove of ...

At a press conference, a reporter asked Donald Trump about his mental state, leading him to spiral and say things that further raised questions about his capability to lead the United States. The ...

The order calls for the FDA to give expedited consideration to certain psychedelic drugs.

Add Yahoo as a preferred source to see more of our stories on Google. President Donald Trump recently dismissed questions about his mental health and fitness after a controversial social media post ...

By Simon Lewis WASHINGTON, April 21 (Reuters) - The chief science officer for the U.S. flagship HIV/AIDS program left his ...