What if your ability to speak or understand speech was taken away with no warning and you struggled to find words that just won't come? This is what happens to people with aphasia, which occurs when the language centres of the brain are damaged by stroke or brain injury. While it affects more than 100,000 Canadians, many people have never heard of it. But there are ways to help aphasics express themselves. CBC News Sunday has this story about two people faced with the daunting task of learning to speak again.