New research reveals that 7% of seniors now use marijuana despite health risks including blood vessel damage similar to ...

Fox News senior medical analyst Dr. Marc Siegel breaks down the study on 'The Ingraham Angle.' Justice Department says Trump ...

Fox News senior medical analyst Dr. Marc Siegel has the latest on the potential impact that social media has on adolescents on ‘America’s Newsroom.’ ...

Senior medical analyst Dr. Marc Siegel argues both physical and cognitive health need to be tested and considered to determine a person's fitness for presidential office.

Senior medical analyst Dr. Marc Siegel joins 'Fox & Friends' to discuss a new breast cancer vaccine and the dangers of the rise in cannabis use among older adults.

Drug-induced liver injury cases are increasing, with common medications and supplements posing hidden dangers, especially for ...