attacks. an audacious goal but there are new things out there, new tests and a new take on cholesterol. and a man who suffered from dyslexia so debilitating that his mother had to read his schoolwork out loud. and we talk about human evolution. news about the terrorist attacks of 9/11 and what they re still doing to us ten years later. in new york when the twin towers fell, thousands of men and women raced to help. you ve seen these images. they spent weeks on what we came to call the pile, clearing rubble and digging for survivors. manufacture the rescue workers blame the smoke, the dust for all sorts of health issues, including breathing problems and even cancer. i ve been investigating this for several months. i ll tell you, it s controversi controversial. but this week, a new study out says the cancer link is real, at least for firefighters and other patients say this could just be the tip of the iceberg. we have a boy scout camp at the top of that mountain there.