What’s the Remedy for Car Sickness?

Many parents have experienced the dread of road-tripping with a child prone to being carsick. Some swear by ginger candy, others by empty stomachs or even videogames. But which advice is valid and which urban legend? One expert, Michael Cohen, a physician at Massachusetts Eye and Ear and an assistant professor of otolaryngology at Harvard Medical School, explains why moving vehicles make kids queasy and gives tips on how to deal with the nausea.

Motion sickness is caused when the brain receives conflicting...