Schwarzenegger was born with a heart defect called aortic stenosis, which causes the heart to pump harder than usual to get its blood through the aortic valve.
Of course, Arnold Schwarzenegger has never been one to let his health stop him from being a part of awesome projects.
The actor also had his pulmonary valve replaced back in 1997 as well.
He has a lot to be excited about, such as the upcoming “global spy adventure” television show and being the grandparent to Chris Pratt and his daughter Katherine’s first born, Lyla.