Teen spends 18 days in the hospital and it could have been prevented
b"A Texas teenager is finally back home after an 18-day hospital stay that included an induced coma and time on a ventilator. Physicians at a Fort Worth hospital were puzzled about the lung blockage that nearly took the teen\\u2019s life, until a classmate revealed that his friend had been smoking e-cigarettes heavily since the 8th grade. ABC's Jim Ryan is following and joins Joe with a look."