You're sipping on an ice-cold Mountain Dew, enjoying the vibrant citrusy zing, when someone pipes up, "Did you know that stuff has a flame retardant in it?" Cue the double take, the shock, and ...

What’s old is new again for Mountain Dew fans, albeit with a twist. The popular soda brand is bringing back a previously-discontinued flavor, prompting fans to rejoice on social media.

The rotation of varieties and flavors can leave fans dizzy. Last summer, Mountain Dew introduced three new flavors: red Star Spangled Splash, white Freedom Fusion, and blue Liberty Chill. Once the ...