David Gergen, former advisor to several Republican presidents, passed away at the age of 83 on Thursday, according to reports. Gergen passed away at a retirement community in Lexington, Mass.

July 12 (UPI) --Former presidential adviser and political commentator David Gergen died at age 83 from complications caused ...

He began his political career in the Nixon White House, then later served presidents Gerald Ford, Ronald Reagan and Bill ...

Lewy body dementia "causes a decline in mental abilities that gradually gets worse over time. People with LBD might see ...

David Gergen, who worked for four presidents, including Richard Nixon, Gerald Ford, Ronald Reagan and Bill Clinton, before ...

David Gergen, an adviser to four presidents, a TV political commentator and a best-selling author, died Thursday from Lewy ...

David Gergen, 83, a political insider who advised four former US presidents, died in Massachusetts on July 10.

Presidential advisor and former News Hour contributor David Gergen died at 83 after being diagnosed with Lewy body dementia.

David Gergen, a political analyst for CNN and frequent political commentator who was an adviser to four presidents, has died.

David Gergen, a White House advisor to former Presidents Richard Nixon, Gerald Ford, Ronald Reagan and Bill Clinton, died on ...

Findings were similar for men and women and were significant for Alzheimer's disease and Lewy body dementia. Participants had annual evaluations at specialized dementia clinics.