A new book examines America's Internet habits.
Author says we are getting more "intimate" with our computers.
Filmmaker says film showing footage of suicides is "sensitive."
The costs associated with saving a premature infant can be staggering.
Community education can help prevent babies from dying.
Elizabeth Vargas reports on the city's alarmingly high infant mortality rate.
Doctors are working to reverse the city's high infant mortality rate.
Copyright © 2008 ABC News.