At my wedding, I was dancing so furiously that I fell hard on my kneecaps. The next morning, my knees were so swollen that I had to get a wheelchair at the airport to go on my honeymoon.

I have a condition called Osteogenesis Imperfecta (OI), which has affected my growth and bone strength. In short, people with the kind of OI I have generally experience hundreds of fractures in their lifetime and use wheelchairs for mobility.

People aren't familiar with wheelchair sports. The only film crew in Athens for the Paralympics was the documentary crew.

Fraudulent and improper payments have long bedeviled Medicare, a $466 billion program. In particular, payments for durable medical equipment, like power wheelchairs and diabetic test kits, are ripe for fraud.

The image of Stephen Hawking - who has died aged 76 - in his motorised wheelchair, with head contorted slightly to one side and hands crossed over to work the controls, caught the public imagination as a true symbol of the triumph of mind over matter.

Sometimes I wonder if I'm as famous for my wheelchair and disabilities as I am for my discoveries.

A tragic car accident put me in a wheelchair and dashed my hopes and dreams for the future.

The downside of my celebrity is that I cannot go anywhere in the world without being recognized. It is not enough for me to wear dark sunglasses and a wig. The wheelchair gives me away.

When humans were young, they were pushed around in strollers. When they were old, they were pushed around in wheelchairs. In between, they were just pushed around.

It was physically difficult adjusting to wheelchair life but I remember a great relief and happiness that I was finally getting somewhere finding musicians to work with that were sympathetic.

The people who criticise you will not be the ones taking care of your legs when you are in your wheelchair. People who never drove a car in these conditions they just don't know.