Alex Trebek

Suffered a minor heart attack at 67 years old in 2007

(photo credit: Frederick M. Brown/Getty Images)

Visit CBS Local’s Health section for trusted news and information.

Barbara Walters

Underwent aortic valve replacement to correct a faulty heart valve in 2010

(photo credit: Dimitrios Kambouris/Getty Images for Barneys New York)

Visit CBS Local’s Health section for trusted news and information.

Bert Reynolds

Underwent a quintuple bypass surgery in 2010

(photo credit: Frazer Harrison/Getty Images)

Visit CBS Local’s Health section for trusted news and information.

Bill Clinton

Suffered from chest pains and had two stents placed in a coronary artery in 2011

(photo credit: Bryan Bedder/Getty Images)

Visit CBS Local’s Health section for trusted news and information.

Bret Michaels

Suffered a mini-stroke leading to a hole in his heart needing repair in 2011

(photo credit: Isaac Brekken/Getty Images)

Visit CBS Local’s Health section for trusted news and information.

Charlie Rose

Underwent surgery to repair a heart valve in 2002 and then again in 2006

(photo credit: Fernando Leon/Getty Images)

Visit CBS Local’s Health section for trusted news and information.

David Letterman

Underwent emergency quintuple bypass surgery at 52 years old in 2000

(photo credit: Dimitrios Kambouris/Getty Images)

Visit CBS Local’s Health section for trusted news and information.

Dick Cheney

Suffered from five heart attacks and received a mechanical heart pump in 2011

(photo credit: Bruce Bennett/Getty Images)

Visit CBS Local’s Health section for trusted news and information.

Jennie Garth

Experiences heart fluttering that could create complications when she gets older

(photo credit: Alberto E. Rodriguez/Getty Images)

Visit CBS Local’s Health section for trusted news and information.

Kelsey Grammer

Suffered a minor heart attack after physical exertion in 2008

(photo credit: Christopher Polk/Getty Images)

Visit CBS Local’s Health section for trusted news and information.

Larry King

Suffered from a heart attack and underwent quintuple bypass surgery in 1987

(photo credit: Frederick M. Brown/Getty Images)

Visit CBS Local’s Health section for trusted news and information.

Miley Cyrus

Diagnosed as a child with tachycardia, a heart condition that causes her heart to beat faster than normal

(photo credit: Christopher Polk/Getty Images)

Visit CBS Local’s Health section for trusted news and information.

Regis Philbin

Underwent triple bypass surgery at 75 years old in 2002

(photo credit: Roger Kisby/Getty Images)

Visit CBS Local’s Health section for trusted news and information.

Robin Williams

Experienced shortness of breath and had aortic valve replacement surgery in 2009

(photo credit: Ryan Pierse/Getty Images)

Visit CBS Local’s Health section for trusted news and information.

Shaun White

Born with Tetralogy of Fallot, a congenital heart defect that affects the way blood flows through the heart

(photo credit: Earl Gibson III/Getty Images for RS)

Visit CBS Local’s Health section for trusted news and information.

Toni Braxton

Suffered chest pains and diagnosed with pericarditis, an inflammation of tissue surrounding the heart, in 2003

(photo credit: GABRIEL BOUYS/AFP/Getty Images)

Visit CBS Local’s Health section for trusted news and information.