A method for the prevention of motion sickness in occupants of a vehicle, wherein a motion sickness indicator is fitted in the vehicle, which indicator indicates whether the vehicle motions experienced by the occupants during use can cause motion sickness, wherein the information coming from the indicator is fed back to a driver or a steering system of the vehicle, all this in such a manner that the driver or steering system can adjust the steering of the car in such a manner that the sickening motions are minimized. Further more, the invention relates to a motion sickness indicator suitable for a method according to the invention, comprising a transducer for measuring a relevant parameter for motion sickness, evaluation means for comparing the measured motion parameter with empirical data concerning the sickening effect of comparable motion parameters, on the basis of which the sickening effect of the measured parameter can be estimated, and rendering means for presenting an outcome obtained by means of the evaluation tools to the user in a suitable manner.