There are more than 400,000 tobacco-related deaths annually in the U.S. Health statistics estimate about 3,000 teenagers try and then regularly smoke cigarettes on a daily basis. It's been well documented that passive exposure to tobacco smoke increases the risk of asthma attacks, chronic bronchitis, emphysema, lung cancer, upper-respiratory tract and ear infections.
For years, doctors have addressed the different types of smoke exposure reporting on two main categories:
Active smoke: a...

