We recently traveled to Europe. They rely on bikes and transit much more then we do in America. And it shows - the average European appears to be in much better shape then Americans.
Interesting article in the Wall Street Journal.
"Several factors make a city easy to live in without a car. The most important one is a widely available and efficient public transportation system. Another is having daily amenities, such as groceries, shopping, schools and entertainment, nearby and within easy reach on foot or by bicycling. The best cities have both features and 24/7 Wall St. has identified the ten best ones to live without a car."