Nausea can arise from a wide range of physical and psychological stimuli:
: High stress, anxiety, and emotional trauma can activate the autonomic nervous system, leading to "psychogenic" nausea. The Biology of Nausea Nausea
: Conditions like food poisoning, stomach ulcers, GERD, and gastroparesis (delayed stomach emptying) often disrupt normal digestive movement. Nausea can arise from a wide range of
The sensation is coordinated by the in the medulla oblongata of the brain. It receives signals through several pathways: Nausea: a review of pathophysiology and therapeutics - PMC Nausea
: Motion sickness from travel, unpleasant odors, and extreme heat or humidity can trigger the brain's vomiting center.