Hyperemesis gravidarum is a severe form of morning sickness that involves vomiting, severe nausea, weight loss, and electrolyte imbalance, leading to dehydration. It persists throughout pregnancy and can cause stomach ulcers and esophageal bleeding. Treatment includes acupressure bands, herbs, hypnosis, and medications. It is not psychosomatic, and more research is needed to find better treatments. […]