Bean Fever

Bean Fever is a disease that affects foreigners and is commonly afflicted in the Beanbean Kingdom. The sickness can cause the person stricken with the disease to become a bean if the disease is not cured in three days. Mario caught Bean Fever when he ate an Invincishroom and was put under intensive care. Luigi was sent to obtain Crabbie Grass, which is the only known cure of Bean Fever, and only found in the Guffawha Ruins.