Immune response in brain sparks nausea

Ailments ranging from the common cold to many types of cancer can make people nauseous, an effect that may occur because signals from the brain suppress the muscle contractions required for digestion.

Ailments ranging from the common cold to many types of cancer can make people nauseous. A new study in the September American Journal of Physiology: Gastrointestinal and Liver Physiology may explain this unpleasant symptom.