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Nausea and vomiting are among the most troublesome issues during cancer treatment. Chemotherapy is the main culprit, though radiation and surgery may also cause nausea and vomiting. Severe vomiting can be harmful for the body and lead to a number of complications.

But why does a drug that we never even eat (or drink) make us want to throw up? How do these substances injected in our veins make our life so miserable? Over the years sicientists have tracked down a 'vomiting center' in the brain and a number of triggers that may make it start the vomiting reflex. Understand the whole process in the article on Causes of Chemotherapy Induced Nausea and Vomiting.

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