For the first time, the FDA has authorized an e-cigarette to help addicted adult smokers

In this April 23, 2014, file photo, a man smokes an electronic cigarette in Chicago.
AP Photo/Nam Y. Huh, File
The Food and Drug Administration said the e-cigarette reduces exposure to harmful chemicals.
E-cigarettes' aerosols are "significantly less toxic" than its alternatives, the FDA found.
The manufacturer must follow requirements to reduce youth exposure to the product.
History was made Tuesday when the US Food and Drug Administration granted its first-ever authorization of an e-cigarette