Vomiting is an urge. Pushing stomach contents up the esophagus and out the mouth is what is meant by throwing up or vomiting. The signs and causes of nausea are dreaded by everyone. You've probably experienced that feeling at least once, either after eating something that didn't sit well with you or while reading a book in a moving automobile.
Here are some causes of nausea:
1. Seasickness and other forms of motion sickness
2. Emotional stress, such as fear
3. Early stages of pregnancy (morning sickness)
4. Particular smells or odors

To read more about the causes of nausea, visit The Voice Of Woman, or click on: https://www.thevoiceofwoman.com/chronic-nausea-causes-symptoms-treatments