She had a bad accident and lost the use of her legs.

WHITEHOUSE: First Lady Michelle Obama Moves with Vancouver Olympians

We went through a really bad accident.

WHITEHOUSE: President Obama Talks with Virginia Families on the Economy | The White House

Just like the scene after a bad car accident, people want to get close, but not too close.

FORBES: Reaction To Penn State And Sandusky Scandal Similar To Serious Car Crash

After about a week since the horrible story hit the media the aftershock is like a bad car accident: nobody wants to get too close to Penn State, but everyone wants to watch.

FORBES: Reaction To Penn State And Sandusky Scandal Similar To Serious Car Crash

Regardless, this is a very bad nuclear accident.

FORBES: Reports Claim Meltdown At Japanese Reactor

She still gets bad headaches from that accident, although it happened more than 60 years ago.

NPR: Watching a Memory Shift over Time

Sometimes the pregnancy was from an accident or bad luck, or too much passion and not enough sense.

FORBES: Romney's Across-the-Board Abortion Problem: 'All of the Above' Is Not a Choice

We can be warned if the tires need air, and Onstar tells the police if we've had an accident and where and how bad.

FORBES: Falling in love

Because of an accident, I ended up with a bad compound fracture and was confined to a wheel chair for four months, critical months during which I had to complete the project planning.

WHITEHOUSE: Not In My Backyard

Here is the setup of these studies: Take people who have just had something very bad happen to them, like a motor vehicle accident or a rape, and within a few hours or a day or two at most, flip a coin and put half these people on a beta blocker and half on an inactive substance that looks the same (i.e. placebo).

CNN: Have you heard of a heart drug that also helps PTSD?