E-cigarettes evaluated: Are they worth it?


-- More than 45 million Americans smoke, but many are trying to quit. One way that's gaining in popularity is the use of electronic, or e-cigarettes. But a lot of people wonder if they're effective.

Chris Mikovits was a cigarette smoker for 25 years, but two years ago, he was finally able to stop smoking - tobacco cigarettes, that is. Now, he uses what he calls a personal vaporizer.