Complex sentence: Some common causes of nausea are motion sickness, dizziness, fainting, gastroenteritis (stomach infection) or food poisoning, side effects of many medications including cancer chemotherapy, nauseants or morning sickness in early pregnancy.
Split into simpler sentences: Some common causes of nausea are motion sickness, dizziness, fainting, gastroenteritis (stomach infection) or food poisoning. Side effects of many medications including cancer chemotherapy, nauseants or morning sickness in early pregnancy.