Tom Stoffregen, Ph.D., professor in the School of Kinesiology and director of the Affordance Perception-Action Laboratory (APAL), is quoted in a Quartzy.com article, “We still don’t understand motion sickness, but it’s likely to get worse in the digital age.” Stoffregen’s research on postural imbalance is reviewed, along with several other researchers’ approaches, with attention to a prevalent, but unsubstantiated, theory regarding the cause of motion sickness.