Why do you Vomit from laughing?

The state of having a body temperature that is much higher than normal? What are different types of risk factors? Does contact shingles die after embalming? Can you get scabies by shaking someones hand? What rash could you get from cutting wood with long sleeves on? Can cipro cause a missed period? What verb that means to push food through your pharynx? What is methyltrednisolone? What are the walls of the digestive tube which contain mucus called? Why is appendix non functional in humans? What happens after the blood is pumped? Is water good for an ulcer? Do the middles of your nipples turn pink to dark pink when you're pregnant? What is the primary reason that laxatives are generally not effective agents for losing weight? Vein of the fetal pig that carries oxygenated blood? What is inflammation of the linning of the thoracic cavity called? What can affect the humors in your body and make you ill? What is the name of the phobia when you are afraid of the dark? Why thalamus is called the gateway of cerebral cortex? What is meant by Orthostsic Hypotension?