The summary of this article is as follows:
Nausea can be caused by a variety of factors other than pregnancy, such as digestive issues, motion sickness, stress, medication side effects, infections, migraines, and overeating. While nausea is usually not serious, it is important to see a doctor if it persists, is severe, or is accompanied by other symptoms. Understanding these different causes can help you manage nausea and take care of your health.