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Updates include tighter trigger zones, waterproof collars, and enhanced system communications.
Chemotherapeutic agents trigger the process of emesis through activation of multiple neurotransmitter receptors in the vomiting center of the brain, chemoreceptor trigger zone, and gastrointestinal tract (1).
The urge to vomit comes from two areas in the brain - a vomiting centre set off by a chemoreceptor trigger zone, which rings when you've been boozing too much.