The real drag is going to be medical costs. Fixing bad hearts, joints, and etc isn't cheap.
I wonder how many people have really thought about the ethical dilemmas we have coming our way. It's clear that medical technology is going to get to a point where virtually any natural death can be kicked down the calendar if we spend enough money.
People will literally be given the choice whether to die, or impoverish their children and grandchildren to pay for a Myocardial Whatsis, which might keep the ol' ticker going for another six months. What a choice to have.
Parents will have to face letting granny die, or spending Susie's college fund to pull granny through... for how long no one knows.
People will need to decide to die. Humans have never had to do that before. It's an awesome thing to face.