Starting on October 22, the Federal Aviation Administration eliminated the rule that required an off switch for the "No smoking" sign, even though smoking on U.S. flights officially ended decades ago.

"While 'No Smoking' signs may seem like an old and outdated practice, they are still a necessity for a few different reasons," Maddi Bourgerie, travel expert at RVshare, tells Thrillist.

“Those no smoking signs should be always, always, always on there,” she said. “People still try to smoke on the airplane.” Niraj Chokshi writes about aviation, rail and other ...

Is a smoking cartoon character a health risk? Some observers say the issue is overblown. Parenting author Kathy Buckworth hasn't seen the movie yet, but dismisses the controversy.