go get help! right now! if you're a cat, you ignore people. it's what you do. if you want to save fifteen percent or more on car insurance, you switch to geico. it's what you do. go on kitty, kitty... a sedentary lifestyle can lead to serious cardiovascular issues. this week's cnn heroes is doing something about that. >> i knew something had to change on my end to stay healthy. i go anywhere between 9 and 12 hours sitting at the desk. you may be working a lot, but you're at the desk sitting. how.