Motion Sickness Prevention Corner
If you ever feel queasy, sick or nauseous due to
motion sickness, read
this thread - especially the last post.
Additionally, you can divert that nauseous feeling by running ice cold water on the undersides of your wrists, if a sink is available nearby.
As an alternative, ice cubes (whether they are wrapped in a cloth or not) pressed against the undersides of the wrists should also work.
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Now, if the nauseousness is due to something that was eaten, that is another story...