Congenital Hyperinsulinism International (CHI) is a nonprofit 501(c)(3) corporation dedicated to improving the lives of babies, children, and adults affected by congenital hyperinsulinism (HI). HI is a life-threatening genetic disorder that causes severe low blood sugar (hypoglycemia) in infants and children, though in 50% of patients, the genetic cause is unknown. For those with HI, the beta cell…